Calculus Examples

$\arccos (x)$

Step 1

The derivative of $\arccos (x)$ with respect to $x$ is $- \frac{1}{\sqrt{1 - x^{2}}}$ .

$f' (x) = - \frac{1}{\sqrt{1 - x^{2}}}$

Step 2

Find the second derivative.

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Step 2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{1 - x^{2}}$ as ${(1 - x^{2})}^{\frac{1}{2}}$ .

$\frac{d}{d x} [- \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}}]$

Step 2.2

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = - 1$ and $g (x) = \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}}$ .

$- \frac{d}{d x} [\frac{1}{{(1 - x^{2})}^{\frac{1}{2}}}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.3

Apply basic rules of exponents.

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Step 2.3.1

Rewrite $\frac{1}{{(1 - x^{2})}^{\frac{1}{2}}}$ as ${({(1 - x^{2})}^{\frac{1}{2}})}^{- 1}$ .

$- \frac{d}{d x} [{({(1 - x^{2})}^{\frac{1}{2}})}^{- 1}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.3.2

Multiply the exponents in ${({(1 - x^{2})}^{\frac{1}{2}})}^{- 1}$ .

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Step 2.3.2.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$- \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2} \cdot - 1}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.3.2.2

Combine $\frac{1}{2}$ and $- 1$ .

$- \frac{d}{d x} [{(1 - x^{2})}^{\frac{- 1}{2}}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.3.2.3

Move the negative in front of the fraction.

$- \frac{d}{d x} [{(1 - x^{2})}^{- \frac{1}{2}}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.4

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{- \frac{1}{2}}$ and $g (x) = 1 - x^{2}$ .

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Step 2.4.1

To apply the Chain Rule, set $u$ as $1 - x^{2}$ .

$- (\frac{d}{d u} [u^{- \frac{1}{2}}] \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.4.2

Differentiate using the Power Rule which states that $\frac{d}{d u} [u^{n}]$ is $n u^{n - 1}$ where $n = - \frac{1}{2}$ .

$- (- \frac{1}{2} u^{- \frac{1}{2} - 1} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.4.3

Replace all occurrences of $u$ with $1 - x^{2}$ .

$- (- \frac{1}{2} {(1 - x^{2})}^{- \frac{1}{2} - 1} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.5

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$- (- \frac{1}{2} {(1 - x^{2})}^{- \frac{1}{2} - 1 \cdot \frac{2}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.6

Combine $- 1$ and $\frac{2}{2}$ .

$- (- \frac{1}{2} {(1 - x^{2})}^{- \frac{1}{2} + \frac{- 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.7

Combine the numerators over the common denominator.

$- (- \frac{1}{2} {(1 - x^{2})}^{\frac{- 1 - 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.8

Simplify the numerator.

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Step 2.8.1

Multiply $- 1$ by $2$ .

$- (- \frac{1}{2} {(1 - x^{2})}^{\frac{- 1 - 2}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.8.2

Subtract $2$ from $- 1$ .

$- (- \frac{1}{2} {(1 - x^{2})}^{\frac{- 3}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.9

Combine fractions.

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Step 2.9.1

Move the negative in front of the fraction.

$- (- \frac{1}{2} {(1 - x^{2})}^{- \frac{3}{2}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.9.2

Combine ${(1 - x^{2})}^{- \frac{3}{2}}$ and $\frac{1}{2}$ .

$- (- \frac{{(1 - x^{2})}^{- \frac{3}{2}}}{2} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.9.3

Simplify the expression.

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Step 2.9.3.1

Move ${(1 - x^{2})}^{- \frac{3}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$- (- \frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.9.3.2

Multiply $- 1$ by $- 1$ .

$1 (\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [1 - x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.9.3.3

Multiply $\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}}$ by $1$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [1 - x^{2}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.10

By the Sum Rule, the derivative of $1 - x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} (\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.11

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} (0 + \frac{d}{d x} [- x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.12

Add $0$ and $\frac{d}{d x} [- x^{2}]$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- x^{2}] + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.13

Since $- 1$ is constant with respect to $x$ , the derivative of $- x^{2}$ with respect to $x$ is $- \frac{d}{d x} [x^{2}]$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} (- \frac{d}{d x} [x^{2}]) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.14

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} (- (2 x)) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.15

Simplify terms.

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Step 2.15.1

Multiply $2$ by $- 1$ .

$\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}} (- 2 x) + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.15.2

Combine $- 2$ and $\frac{1}{2 {(1 - x^{2})}^{\frac{3}{2}}}$ .

$\frac{- 2}{2 {(1 - x^{2})}^{\frac{3}{2}}} x + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.15.3

Combine $\frac{- 2}{2 {(1 - x^{2})}^{\frac{3}{2}}}$ and $x$ .

$\frac{- 2 x}{2 {(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.15.4

Factor $2$ out of $- 2 x$ .

$\frac{2 (- x)}{2 {(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.16

Cancel the common factors.

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Step 2.16.1

Factor $2$ out of $2 {(1 - x^{2})}^{\frac{3}{2}}$ .

$\frac{2 (- x)}{2 ({(1 - x^{2})}^{\frac{3}{2}})} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.16.2

Cancel the common factor.

$\frac{2 (- x)}{2 {(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.16.3

Rewrite the expression.

$\frac{- x}{{(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.17

Move the negative in front of the fraction.

$- \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- 1]$

Step 2.18

Since $- 1$ is constant with respect to $x$ , the derivative of $- 1$ with respect to $x$ is $0$ .

$- \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} + \frac{1}{{(1 - x^{2})}^{\frac{1}{2}}} \cdot 0$

Step 2.19

Simplify the expression.

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Step 2.19.1

Multiply $\frac{1}{{(1 - x^{2})}^{\frac{1}{2}}}$ by $0$ .

$- \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} + 0$

Step 2.19.2

Add $- \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}}$ and $0$ .

$f'' (x) = - \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}}$

Step 3

Find the third derivative.

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Step 3.1

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = - 1$ and $g (x) = \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}}$ .

$- \frac{d}{d x} [\frac{x}{{(1 - x^{2})}^{\frac{3}{2}}}] + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.2

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = x$ and $g (x) = {(1 - x^{2})}^{\frac{3}{2}}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} \frac{d}{d x} [x] - x \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}]}{{({(1 - x^{2})}^{\frac{3}{2}})}^{2}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.3

Differentiate using the Power Rule.

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Step 3.3.1

Multiply the exponents in ${({(1 - x^{2})}^{\frac{3}{2}})}^{2}$ .

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Step 3.3.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} \frac{d}{d x} [x] - x \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}]}{{(1 - x^{2})}^{\frac{3}{2} \cdot 2}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.3.1.2

Cancel the common factor of $2$ .

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Step 3.3.1.2.1

Cancel the common factor.

Step 3.3.1.2.2

Rewrite the expression.

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} \frac{d}{d x} [x] - x \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.3.2

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} \cdot 1 - x \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.3.3

Multiply ${(1 - x^{2})}^{\frac{3}{2}}$ by $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.4

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{\frac{3}{2}}$ and $g (x) = 1 - x^{2}$ .

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Step 3.4.1

To apply the Chain Rule, set $u$ as $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{d}{d u} [u^{\frac{3}{2}}] \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.4.2

Differentiate using the Power Rule which states that $\frac{d}{d u} [u^{n}]$ is $n u^{n - 1}$ where $n = \frac{3}{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} u^{\frac{3}{2} - 1} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.4.3

Replace all occurrences of $u$ with $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} - 1} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.5

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} - 1 \cdot \frac{2}{2}} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.6

Combine $- 1$ and $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} + \frac{- 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.7

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{3 - 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.8

Simplify the numerator.

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Step 3.8.1

Multiply $- 1$ by $2$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{3 - 2}{2}} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.8.2

Subtract $2$ from $3$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3}{2} {(1 - x^{2})}^{\frac{1}{2}} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.9

Combine fractions.

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Step 3.9.1

Combine $\frac{3}{2}$ and ${(1 - x^{2})}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - x (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.9.2

Combine $\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2}$ and $x$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} \frac{d}{d x} [1 - x^{2}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.10

By the Sum Rule, the derivative of $1 - x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} (\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.11

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} (0 + \frac{d}{d x} [- x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.12

Add $0$ and $\frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} \frac{d}{d x} [- x^{2}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.13

Since $- 1$ is constant with respect to $x$ , the derivative of $- x^{2}$ with respect to $x$ is $- \frac{d}{d x} [x^{2}]$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} - \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} (- \frac{d}{d x} [x^{2}])}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.14

Multiply.

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Step 3.14.1

Multiply $- 1$ by $- 1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + 1 \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} \frac{d}{d x} [x^{2}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.14.2

Multiply $\frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2}$ by $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} \frac{d}{d x} [x^{2}]}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.15

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2} (2 x)}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.16

Combine fractions.

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Step 3.16.1

Combine $2$ and $\frac{3 {(1 - x^{2})}^{\frac{1}{2}} x}{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{2 (3 {(1 - x^{2})}^{\frac{1}{2}} x)}{2} x}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.16.2

Multiply $3$ by $2$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} x)}{2} x}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.16.3

Combine $\frac{6 ({(1 - x^{2})}^{\frac{1}{2}} x)}{2}$ and $x$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} x) x}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.17

Raise $x$ to the power of $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} (x^{1} x))}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.18

Raise $x$ to the power of $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} (x^{1} x^{1}))}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.19

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} x^{1 + 1})}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.20

Add $1$ and $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{6 ({(1 - x^{2})}^{\frac{1}{2}} x^{2})}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.21

Factor $2$ out of $6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{2 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})}{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.22

Cancel the common factors.

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Step 3.22.1

Factor $2$ out of $2$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{2 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})}{2 (1)}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.22.2

Cancel the common factor.

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{2 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})}{2 \cdot 1}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.22.3

Rewrite the expression.

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + \frac{3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{1}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.22.4

Divide $3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}$ by $1$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \frac{d}{d x} [- 1]$

Step 3.23

Since $- 1$ is constant with respect to $x$ , the derivative of $- 1$ with respect to $x$ is $0$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} + \frac{x}{{(1 - x^{2})}^{\frac{3}{2}}} \cdot 0$

Step 3.24

Simplify the expression.

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Step 3.24.1

Multiply $\frac{x}{{(1 - x^{2})}^{\frac{3}{2}}}$ by $0$ .

$- \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} + 0$

Step 3.24.2

Add $- \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}}$ and $0$ .

$f''' (x) = - \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}}$

Step 4

Find the fourth derivative.

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Step 4.1

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = - 1$ and $g (x) = \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}}$ .

$- \frac{d}{d x} [\frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}}] + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.2

$- \frac{{(1 - x^{2})}^{3} \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}] - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{({(1 - x^{2})}^{3})}^{2}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.3

Differentiate using the Sum Rule.

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Step 4.3.1

Multiply the exponents in ${({(1 - x^{2})}^{3})}^{2}$ .

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Step 4.3.1.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$- \frac{{(1 - x^{2})}^{3} \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}] - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{3 \cdot 2}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.3.1.2

Multiply $3$ by $2$ .

$- \frac{{(1 - x^{2})}^{3} \frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}] - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.3.2

By the Sum Rule, the derivative of ${(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}$ with respect to $x$ is $\frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{d}{d x} [{(1 - x^{2})}^{\frac{3}{2}}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.4

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{\frac{3}{2}}$ and $g (x) = 1 - x^{2}$ .

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Step 4.4.1

To apply the Chain Rule, set $u_{1}$ as $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{d}{d u_{1}} [{u_{1}}^{\frac{3}{2}}] \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.4.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ is $n {u_{1}}^{n - 1}$ where $n = \frac{3}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {u_{1}}^{\frac{3}{2} - 1} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.4.3

Replace all occurrences of $u_{1}$ with $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} - 1} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.5

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} - 1 \cdot \frac{2}{2}} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.6

Combine $- 1$ and $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{3}{2} + \frac{- 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.7

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{3 - 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.8

Simplify the numerator.

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Step 4.8.1

Multiply $- 1$ by $2$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{3 - 2}{2}} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.8.2

Subtract $2$ from $3$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3}{2} {(1 - x^{2})}^{\frac{1}{2}} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.9

Combine $\frac{3}{2}$ and ${(1 - x^{2})}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} \frac{d}{d x} [1 - x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.10

By the Sum Rule, the derivative of $1 - x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} (\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]) + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.11

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} (0 + \frac{d}{d x} [- x^{2}]) + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.12

Add $0$ and $\frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} \frac{d}{d x} [- x^{2}] + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.13

Since $- 1$ is constant with respect to $x$ , the derivative of $- x^{2}$ with respect to $x$ is $- \frac{d}{d x} [x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} (- \frac{d}{d x} [x^{2}]) + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.14

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} (- (2 x)) + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.15

Simplify terms.

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Step 4.15.1

Multiply $2$ by $- 1$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2} (- 2 x) + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.15.2

Combine $- 2$ and $\frac{3 {(1 - x^{2})}^{\frac{1}{2}}}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{- 2 (3 {(1 - x^{2})}^{\frac{1}{2}})}{2} x + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.15.3

Multiply $3$ by $- 2$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{- 6 {(1 - x^{2})}^{\frac{1}{2}}}{2} x + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.15.4

Combine $\frac{- 6 {(1 - x^{2})}^{\frac{1}{2}}}{2}$ and $x$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{- 6 {(1 - x^{2})}^{\frac{1}{2}} x}{2} + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.15.5

Factor $2$ out of $- 6 {(1 - x^{2})}^{\frac{1}{2}} x$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{2 (- 3 {(1 - x^{2})}^{\frac{1}{2}} x)}{2} + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.16

Cancel the common factors.

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Step 4.16.1

Factor $2$ out of $2$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{2 (- 3 {(1 - x^{2})}^{\frac{1}{2}} x)}{2 (1)} + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.16.2

Cancel the common factor.

$- \frac{{(1 - x^{2})}^{3} (\frac{2 (- 3 {(1 - x^{2})}^{\frac{1}{2}} x)}{2 \cdot 1} + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.16.3

Rewrite the expression.

$- \frac{{(1 - x^{2})}^{3} (\frac{- 3 {(1 - x^{2})}^{\frac{1}{2}} x}{1} + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.16.4

Divide $- 3 {(1 - x^{2})}^{\frac{1}{2}} x$ by $1$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{d}{d x} [3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.17

Since $3$ is constant with respect to $x$ , the derivative of $3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}$ with respect to $x$ is $3 \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2}} x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2}} x^{2}]) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.18

Differentiate using the Product Rule which states that $\frac{d}{d x} [f (x) g (x)]$ is $f (x) \frac{d}{d x} [g (x)] + g (x) \frac{d}{d x} [f (x)]$ where $f (x) = {(1 - x^{2})}^{\frac{1}{2}}$ and $g (x) = x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 ({(1 - x^{2})}^{\frac{1}{2}} \frac{d}{d x} [x^{2}] + x^{2} \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2}}])) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.19

Differentiate using the Power Rule.

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Step 4.19.1

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 ({(1 - x^{2})}^{\frac{1}{2}} (2 x) + x^{2} \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2}}])) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.19.2

Move $2$ to the left of ${(1 - x^{2})}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 \cdot {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} \frac{d}{d x} [{(1 - x^{2})}^{\frac{1}{2}}])) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.20

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{\frac{1}{2}}$ and $g (x) = 1 - x^{2}$ .

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Step 4.20.1

To apply the Chain Rule, set $u_{2}$ as $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{d}{d u_{2}} [{u_{2}}^{\frac{1}{2}}] \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.20.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{2}} [{u_{2}}^{n}]$ is $n {u_{2}}^{n - 1}$ where $n = \frac{1}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {u_{2}}^{\frac{1}{2} - 1} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.20.3

Replace all occurrences of $u_{2}$ with $1 - x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{1}{2} - 1} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.21

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{1}{2} - 1 \cdot \frac{2}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.22

Combine $- 1$ and $\frac{2}{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{1}{2} + \frac{- 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.23

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{1 - 1 \cdot 2}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.24

Simplify the numerator.

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Step 4.24.1

Multiply $- 1$ by $2$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{1 - 2}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.24.2

Subtract $2$ from $1$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{\frac{- 1}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.25

Combine fractions.

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Step 4.25.1

Move the negative in front of the fraction.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2} {(1 - x^{2})}^{- \frac{1}{2}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.25.2

Combine $\frac{1}{2}$ and ${(1 - x^{2})}^{- \frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{{(1 - x^{2})}^{- \frac{1}{2}}}{2} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.25.3

Move ${(1 - x^{2})}^{- \frac{1}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + x^{2} (\frac{1}{2 {(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [1 - x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.25.4

Combine $\frac{1}{2 {(1 - x^{2})}^{\frac{1}{2}}}$ and $x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [1 - x^{2}])) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.26

By the Sum Rule, the derivative of $1 - x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} (\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.27

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} (0 + \frac{d}{d x} [- x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.28

Add $0$ and $\frac{d}{d x} [- x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} \frac{d}{d x} [- x^{2}])) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.29

Since $- 1$ is constant with respect to $x$ , the derivative of $- x^{2}$ with respect to $x$ is $- \frac{d}{d x} [x^{2}]$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} (- \frac{d}{d x} [x^{2}]))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.30

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} (- (2 x)))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.31

Combine fractions.

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Step 4.31.1

Multiply $2$ by $- 1$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} (- 2 x))) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.31.2

Combine $- 2$ and $\frac{x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- 2 x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}} x)) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.31.3

Combine $\frac{- 2 x^{2}}{2 {(1 - x^{2})}^{\frac{1}{2}}}$ and $x$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- 2 x^{2} x}{2 {(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.32

Raise $x$ to the power of $1$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- 2 (x^{1} x^{2})}{2 {(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.33

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- 2 x^{1 + 2}}{2 {(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.34

Add $1$ and $2$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- 2 x^{3}}{2 {(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.35

Factor $2$ out of $- 2 x^{3}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{2 (- x^{3})}{2 {(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.36

Cancel the common factors.

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Step 4.36.1

Factor $2$ out of $2 {(1 - x^{2})}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{2 (- x^{3})}{2 ({(1 - x^{2})}^{\frac{1}{2}})})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.36.2

Cancel the common factor.

Step 4.36.3

Rewrite the expression.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{- x^{3}}{{(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.37

Move the negative in front of the fraction.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 {(1 - x^{2})}^{\frac{1}{2}} x - \frac{x^{3}}{{(1 - x^{2})}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.38

Reorder $1$ and $- x^{2}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (2 x {(- x^{2} + 1)}^{\frac{1}{2}} - \frac{x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.39

To write $2 x {(- x^{2} + 1)}^{\frac{1}{2}}$ as a fraction with a common denominator, multiply by $\frac{{(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 (\frac{2 x {(- x^{2} + 1)}^{\frac{1}{2}} {(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}} - \frac{x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.40

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x {(- x^{2} + 1)}^{\frac{1}{2}} {(- x^{2} + 1)}^{\frac{1}{2}} - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.41

Multiply ${(- x^{2} + 1)}^{\frac{1}{2}}$ by ${(- x^{2} + 1)}^{\frac{1}{2}}$ by adding the exponents.

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Step 4.41.1

Move ${(- x^{2} + 1)}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x ({(- x^{2} + 1)}^{\frac{1}{2}} {(- x^{2} + 1)}^{\frac{1}{2}}) - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.41.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x {(- x^{2} + 1)}^{\frac{1}{2} + \frac{1}{2}} - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.41.3

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x {(- x^{2} + 1)}^{\frac{1 + 1}{2}} - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.41.4

Add $1$ and $1$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x {(- x^{2} + 1)}^{\frac{2}{2}} - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.41.5

Divide $2$ by $2$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x {(- x^{2} + 1)}^{1} - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.42

Simplify $2 x {(- x^{2} + 1)}^{1}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + 3 \frac{2 x (- x^{2} + 1) - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.43

Combine $3$ and $\frac{2 x (- x^{2} + 1) - x^{3}}{{(- x^{2} + 1)}^{\frac{1}{2}}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x + \frac{3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.44

To write $- 3 {(1 - x^{2})}^{\frac{1}{2}} x$ as a fraction with a common denominator, multiply by $\frac{{(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}}$ .

$- \frac{{(1 - x^{2})}^{3} (- 3 {(1 - x^{2})}^{\frac{1}{2}} x \cdot \frac{{(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}} + \frac{3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.45

Combine $- 3 {(1 - x^{2})}^{\frac{1}{2}} x$ and $\frac{{(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}}$ .

$- \frac{{(1 - x^{2})}^{3} (\frac{- 3 {(1 - x^{2})}^{\frac{1}{2}} x {(- x^{2} + 1)}^{\frac{1}{2}}}{{(- x^{2} + 1)}^{\frac{1}{2}}} + \frac{3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}}) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.46

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(1 - x^{2})}^{\frac{1}{2}} x {(- x^{2} + 1)}^{\frac{1}{2}} + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.47

Reorder terms.

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(- x^{2} + 1)}^{\frac{1}{2}} x {(- x^{2} + 1)}^{\frac{1}{2}} + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.48

Multiply ${(- x^{2} + 1)}^{\frac{1}{2}}$ by ${(- x^{2} + 1)}^{\frac{1}{2}}$ by adding the exponents.

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Step 4.48.1

Move ${(- x^{2} + 1)}^{\frac{1}{2}}$ .

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 ({(- x^{2} + 1)}^{\frac{1}{2}} {(- x^{2} + 1)}^{\frac{1}{2}}) x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.48.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(- x^{2} + 1)}^{\frac{1}{2} + \frac{1}{2}} x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.48.3

Combine the numerators over the common denominator.

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(- x^{2} + 1)}^{\frac{1 + 1}{2}} x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.48.4

Add $1$ and $1$ .

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(- x^{2} + 1)}^{\frac{2}{2}} x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.48.5

Divide $2$ by $2$ .

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 {(- x^{2} + 1)}^{1} x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.49

Simplify $- 3 {(- x^{2} + 1)}^{1} x$ .

$- \frac{{(1 - x^{2})}^{3} \frac{- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.50

Combine ${(1 - x^{2})}^{3}$ and $\frac{- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})}{{(- x^{2} + 1)}^{\frac{1}{2}}}$ .

$- \frac{\frac{{(1 - x^{2})}^{3} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3}))}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.51

Reorder terms.

$- \frac{\frac{{(- x^{2} + 1)}^{3} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3}))}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.52

Factor ${(- x^{2} + 1)}^{\frac{1}{2}}$ out of ${(- x^{2} + 1)}^{3} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3}))$ .

$- \frac{\frac{{(- x^{2} + 1)}^{\frac{1}{2}} ({(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})))}{{(- x^{2} + 1)}^{\frac{1}{2}}} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.53

Cancel the common factors.

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Step 4.53.1

Multiply by $1$ .

$- \frac{\frac{{(- x^{2} + 1)}^{\frac{1}{2}} ({(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})))}{{(- x^{2} + 1)}^{\frac{1}{2}} \cdot 1} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.53.2

Cancel the common factor.

Step 4.53.3

Rewrite the expression.

$- \frac{\frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3}))}{1} - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.53.4

Divide ${(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3}))$ by $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) \frac{d}{d x} [{(1 - x^{2})}^{3}]}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.54

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{3}$ and $g (x) = 1 - x^{2}$ .

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Step 4.54.1

To apply the Chain Rule, set $u_{3}$ as $1 - x^{2}$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (\frac{d}{d u_{3}} [{u_{3}}^{3}] \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.54.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{3}} [{u_{3}}^{n}]$ is $n {u_{3}}^{n - 1}$ where $n = 3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (3 {u_{3}}^{2} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.54.3

Replace all occurrences of $u_{3}$ with $1 - x^{2}$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (3 {(1 - x^{2})}^{2} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55

Differentiate.

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Step 4.55.1

Multiply $3$ by $- 1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} \frac{d}{d x} [1 - x^{2}])}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.2

By the Sum Rule, the derivative of $1 - x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} (\frac{d}{d x} [1] + \frac{d}{d x} [- x^{2}]))}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.3

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} (0 + \frac{d}{d x} [- x^{2}]))}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.4

Add $0$ and $\frac{d}{d x} [- x^{2}]$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} \frac{d}{d x} [- x^{2}])}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.5

Since $- 1$ is constant with respect to $x$ , the derivative of $- x^{2}$ with respect to $x$ is $- \frac{d}{d x} [x^{2}]$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) - 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} (- \frac{d}{d x} [x^{2}]))}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.6

Multiply $- 1$ by $- 3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} (\frac{d}{d x} [x^{2}]))}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.7

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 2$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} (2 x))}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.8

Simplify the expression.

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Step 4.55.8.1

Move $2$ to the left of ${(1 - x^{2})}^{2}$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 3 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (2 \cdot {(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.8.2

Multiply $2$ by $3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}} + \frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}} \frac{d}{d x} [- 1]$

Step 4.55.9

Since $- 1$ is constant with respect to $x$ , the derivative of $- 1$ with respect to $x$ is $0$ .

Step 4.55.10

Simplify the expression.

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Step 4.55.10.1

Multiply $\frac{{(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}}{{(1 - x^{2})}^{3}}$ by $0$ .

Step 4.55.10.2

Add $- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2} + 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$ and $0$ .

Step 4.56

Simplify.

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Step 4.56.1

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} ((- 3 (- x^{2}) - 3 \cdot 1) x + 3 (2 x (- x^{2} + 1) - x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.2

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2}) x - 3 \cdot 1 x + 3 (2 x (- x^{2} + 1) - x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.3

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2}) x - 3 \cdot 1 x + 3 (2 x (- x^{2}) + 2 x \cdot 1 - x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.4

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2}) x - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + 6 ({(1 - x^{2})}^{\frac{3}{2}} + 3 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.5

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{2}) x - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6

Simplify the numerator.

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Step 4.56.6.1

Simplify each term.

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Step 4.56.6.1.1

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 4.56.6.1.1.1

Move $x$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- (x \cdot x^{2})) - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.1.2

Multiply $x$ by $x^{2}$ .

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Step 4.56.6.1.1.2.1

Raise $x$ to the power of $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- (x^{1} x^{2})) - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.1.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{1 + 2}) - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.1.3

Add $1$ and $2$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 (- x^{3}) - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.2

Multiply $- 1$ by $- 3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 \cdot 1 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.3

Multiply $- 3$ by $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (2 x (- x^{2})) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.4

Multiply $x$ by $x^{2}$ by adding the exponents.

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Step 4.56.6.1.4.1

Move $x^{2}$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (2 (x^{2} x) \cdot - 1) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.4.2

Multiply $x^{2}$ by $x$ .

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Step 4.56.6.1.4.2.1

Raise $x$ to the power of $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (2 (x^{2} x^{1}) \cdot - 1) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.4.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (2 x^{2 + 1} \cdot - 1) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.4.3

Add $2$ and $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (2 x^{3} \cdot - 1) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.5

Multiply $- 1$ by $2$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x + 3 (- 2 x^{3}) + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.6

Multiply $- 2$ by $3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x - 6 x^{3} + 3 (2 x \cdot 1) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.7

Multiply $2$ by $1$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x - 6 x^{3} + 3 (2 x) + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.8

Multiply $2$ by $3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x - 6 x^{3} + 6 x + 3 (- x^{3})) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.1.9

Multiply $- 1$ by $3$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (3 x^{3} - 3 x - 6 x^{3} + 6 x - 3 x^{3}) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.2

Combine the opposite terms in $3 x^{3} - 3 x - 6 x^{3} + 6 x - 3 x^{3}$ .

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Step 4.56.6.2.1

Subtract $3 x^{3}$ from $3 x^{3}$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 x - 6 x^{3} + 6 x + 0) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.2.2

Add $- 3 x - 6 x^{3} + 6 x$ and $0$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 3 x - 6 x^{3} + 6 x) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.3

Add $- 3 x$ and $6 x$ .

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 6 x^{3} + 3 x) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.4

Apply the distributive property.

$- \frac{{(- x^{2} + 1)}^{\frac{5}{2}} (- 6 x^{3}) + {(- x^{2} + 1)}^{\frac{5}{2}} (3 x) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.5

Rewrite using the commutative property of multiplication.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + {(- x^{2} + 1)}^{\frac{5}{2}} (3 x) + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.6

Rewrite using the commutative property of multiplication.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 6 (3 {(1 - x^{2})}^{\frac{1}{2}} x^{2})) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.7

Multiply $3$ by $6$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ({(1 - x^{2})}^{2} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.8

Rewrite ${(1 - x^{2})}^{2}$ as $(1 - x^{2}) (1 - x^{2})$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2}) (1 - x^{2}) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.9

Expand $(1 - x^{2}) (1 - x^{2})$ using the FOIL Method.

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Step 4.56.6.9.1

Apply the distributive property.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 (1 - x^{2}) - x^{2} (1 - x^{2})) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.9.2

Apply the distributive property.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 \cdot 1 + 1 (- x^{2}) - x^{2} (1 - x^{2})) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.9.3

Apply the distributive property.

Step 4.56.6.10

Simplify and combine like terms.

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Step 4.56.6.10.1

Simplify each term.

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Step 4.56.6.10.1.1

Multiply $1$ by $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 + 1 (- x^{2}) - x^{2} \cdot 1 - x^{2} (- x^{2})) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.1.2

Multiply $- x^{2}$ by $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2} - x^{2} \cdot 1 - x^{2} (- x^{2})) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.1.3

Multiply $- 1$ by $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2} - x^{2} - x^{2} (- x^{2})) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.1.4

Rewrite using the commutative property of multiplication.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2} - x^{2} - 1 \cdot - 1 x^{2} x^{2}) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.1.5

Multiply $x^{2}$ by $x^{2}$ by adding the exponents.

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Step 4.56.6.10.1.5.1

Move $x^{2}$ .

Step 4.56.6.10.1.5.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

Step 4.56.6.10.1.5.3

Add $2$ and $2$ .

Step 4.56.6.10.1.6

Multiply $- 1$ by $- 1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2} - x^{2} + 1 x^{4}) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.1.7

Multiply $x^{4}$ by $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - x^{2} - x^{2} + x^{4}) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.10.2

Subtract $x^{2}$ from $- x^{2}$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) ((1 - 2 x^{2} + x^{4}) x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.11

Apply the distributive property.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (1 x - 2 x^{2} x + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12

Simplify.

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Step 4.56.6.12.1

Multiply $x$ by $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{2} x + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.2

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 4.56.6.12.2.1

Move $x$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 (x \cdot x^{2}) + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.2.2

Multiply $x$ by $x^{2}$ .

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Step 4.56.6.12.2.2.1

Raise $x$ to the power of $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 (x^{1} x^{2}) + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.2.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{1 + 2} + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.2.3

Add $1$ and $2$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{3} + x^{4} x)}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.3

Multiply $x^{4}$ by $x$ by adding the exponents.

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Step 4.56.6.12.3.1

Multiply $x^{4}$ by $x$ .

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Step 4.56.6.12.3.1.1

Raise $x$ to the power of $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{3} + x^{4} x^{1})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.3.1.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{3} + x^{4 + 1})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.12.3.2

Add $4$ and $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + (6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{3} + x^{5})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.13

Expand $(6 {(1 - x^{2})}^{\frac{3}{2}} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) (x - 2 x^{3} + x^{5})$ by multiplying each term in the first expression by each term in the second expression.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} (- 2 x^{3}) + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14

Simplify each term.

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Step 4.56.6.14.1

Rewrite using the commutative property of multiplication.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x + 6 \cdot - 2 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.2

Multiply $6$ by $- 2$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.3

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 4.56.6.14.3.1

Move $x$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} (x \cdot x^{2}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.3.2

Multiply $x$ by $x^{2}$ .

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Step 4.56.6.14.3.2.1

Raise $x$ to the power of $1$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} (x^{1} x^{2}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.3.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{1 + 2} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.3.3

Add $1$ and $2$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} (- 2 x^{3}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.4

Multiply $x^{2}$ by $x^{3}$ by adding the exponents.

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Step 4.56.6.14.4.1

Move $x^{3}$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} + 18 {(1 - x^{2})}^{\frac{1}{2}} (x^{3} x^{2}) \cdot - 2 + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.4.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3 + 2} \cdot - 2 + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.4.3

Add $3$ and $2$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{5} \cdot - 2 + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.5

Multiply $- 2$ by $18$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{2} x^{5}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.6

Multiply $x^{2}$ by $x^{5}$ by adding the exponents.

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Step 4.56.6.14.6.1

Move $x^{5}$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} (x^{5} x^{2})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.6.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{5 + 2}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.14.6.3

Add $5$ and $2$ .

$- \frac{- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15

Rewrite $- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}$ in a factored form.

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Step 4.56.6.15.1

Factor $3 x$ out of $- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3} + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}$ .

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Step 4.56.6.15.1.1

Factor $3 x$ out of $- 6 {(- x^{2} + 1)}^{\frac{5}{2}} x^{3}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 {(- x^{2} + 1)}^{\frac{5}{2}} x + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.2

Factor $3 x$ out of $3 {(- x^{2} + 1)}^{\frac{5}{2}} x$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 6 {(1 - x^{2})}^{\frac{3}{2}} x - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.3

Factor $3 x$ out of $6 {(1 - x^{2})}^{\frac{3}{2}} x$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) - 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3} + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.4

Factor $3 x$ out of $- 12 {(1 - x^{2})}^{\frac{3}{2}} x^{3}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 6 {(1 - x^{2})}^{\frac{3}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.5

Factor $3 x$ out of $6 {(1 - x^{2})}^{\frac{3}{2}} x^{5}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{3} - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.6

Factor $3 x$ out of $18 {(1 - x^{2})}^{\frac{1}{2}} x^{3}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) - 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5} + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.7

Factor $3 x$ out of $- 36 {(1 - x^{2})}^{\frac{1}{2}} x^{5}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.8

Factor $3 x$ out of $18 {(1 - x^{2})}^{\frac{1}{2}} x^{7}$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.9

Factor $3 x$ out of $3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2}) + 3 x ({(- x^{2} + 1)}^{\frac{5}{2}})$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.10

Factor $3 x$ out of $3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}})$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.11

Factor $3 x$ out of $3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}}) + 3 x (- 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2})$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.12

Factor $3 x$ out of $3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2}) + 3 x (2 {(1 - x^{2})}^{\frac{3}{2}} x^{4})$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2} + 2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.13

Factor $3 x$ out of $3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2} + 2 {(1 - x^{2})}^{\frac{3}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{2})$ .

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2} + 2 {(1 - x^{2})}^{\frac{3}{2}} x^{4} + 6 {(1 - x^{2})}^{\frac{1}{2}} x^{2}) + 3 x (- 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.14

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2} + 2 {(1 - x^{2})}^{\frac{3}{2}} x^{4} + 6 {(1 - x^{2})}^{\frac{1}{2}} x^{2} - 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4}) + 3 x (6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.1.15

$- \frac{3 x (- 2 {(- x^{2} + 1)}^{\frac{5}{2}} x^{2} + {(- x^{2} + 1)}^{\frac{5}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} - 4 {(1 - x^{2})}^{\frac{3}{2}} x^{2} + 2 {(1 - x^{2})}^{\frac{3}{2}} x^{4} + 6 {(1 - x^{2})}^{\frac{1}{2}} x^{2} - 12 {(1 - x^{2})}^{\frac{1}{2}} x^{4} + 6 {(1 - x^{2})}^{\frac{1}{2}} x^{6})}{{(1 - x^{2})}^{6}}$

Step 4.56.6.15.2

Reorder terms.

$f^{4} (x) = - \frac{3 x (- 2 x^{2} {(- x^{2} + 1)}^{\frac{5}{2}} - 4 x^{2} {(1 - x^{2})}^{\frac{3}{2}} + 2 x^{4} {(1 - x^{2})}^{\frac{3}{2}} + 6 x^{2} {(1 - x^{2})}^{\frac{1}{2}} - 12 x^{4} {(1 - x^{2})}^{\frac{1}{2}} + 6 x^{6} {(1 - x^{2})}^{\frac{1}{2}} + 2 {(1 - x^{2})}^{\frac{3}{2}} + {(- x^{2} + 1)}^{\frac{5}{2}})}{{(1 - x^{2})}^{6}}$