Calculus Examples

$f (x) = 7 x^{6} \sqrt{x} - \frac{3}{x^{2 \sqrt{x}}}$

Step 1

By the Sum Rule, the derivative of $7 x^{6} \sqrt{x} - \frac{3}{x^{2 \sqrt{x}}}$ with respect to $x$ is $\frac{d}{d x} [7 x^{6} \sqrt{x}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$ .

$\frac{d}{d x} [7 x^{6} \sqrt{x}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2

Evaluate $\frac{d}{d x} [7 x^{6} \sqrt{x}]$ .

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Step 2.1

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

$\frac{d}{d x} [7 x^{6} x^{\frac{1}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2

Multiply $x^{6}$ by $x^{\frac{1}{2}}$ by adding the exponents.

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Step 2.2.1

Move $x^{\frac{1}{2}}$ .

$\frac{d}{d x} [7 (x^{\frac{1}{2}} x^{6})] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.2

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

$\frac{d}{d x} [7 x^{\frac{1}{2} + 6}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.3

To write $6$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{d}{d x} [7 x^{\frac{1}{2} + 6 \cdot \frac{2}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.4

Combine $6$ and $\frac{2}{2}$ .

$\frac{d}{d x} [7 x^{\frac{1}{2} + \frac{6 \cdot 2}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.5

Combine the numerators over the common denominator.

$\frac{d}{d x} [7 x^{\frac{1 + 6 \cdot 2}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.6

Simplify the numerator.

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Step 2.2.6.1

Multiply $6$ by $2$ .

$\frac{d}{d x} [7 x^{\frac{1 + 12}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.2.6.2

Add $1$ and $12$ .

$\frac{d}{d x} [7 x^{\frac{13}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.3

Since $7$ is constant with respect to $x$ , the derivative of $7 x^{\frac{13}{2}}$ with respect to $x$ is $7 \frac{d}{d x} [x^{\frac{13}{2}}]$ .

$7 \frac{d}{d x} [x^{\frac{13}{2}}] + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.4

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = \frac{13}{2}$ .

$7 (\frac{13}{2} x^{\frac{13}{2} - 1}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.5

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

$7 (\frac{13}{2} x^{\frac{13}{2} - 1 \cdot \frac{2}{2}}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.6

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

$7 (\frac{13}{2} x^{\frac{13}{2} + \frac{- 1 \cdot 2}{2}}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.7

Combine the numerators over the common denominator.

$7 (\frac{13}{2} x^{\frac{13 - 1 \cdot 2}{2}}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.8

Simplify the numerator.

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Step 2.8.1

Multiply $- 1$ by $2$ .

$7 (\frac{13}{2} x^{\frac{13 - 2}{2}}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.8.2

Subtract $2$ from $13$ .

$7 (\frac{13}{2} x^{\frac{11}{2}}) + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.9

Combine $\frac{13}{2}$ and $x^{\frac{11}{2}}$ .

$7 \frac{13 x^{\frac{11}{2}}}{2} + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.10

Combine $7$ and $\frac{13 x^{\frac{11}{2}}}{2}$ .

$\frac{7 (13 x^{\frac{11}{2}})}{2} + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 2.11

Multiply $13$ by $7$ .

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$

Step 3

Evaluate $\frac{d}{d x} [- \frac{3}{x^{2 \sqrt{x}}}]$ .

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Step 3.1

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

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{d}{d x} [- \frac{3}{x^{2 x^{\frac{1}{2}}}}]$

Step 3.2

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 \frac{d}{d x} [\frac{1}{x^{2 x^{\frac{1}{2}}}}]$

Step 3.3

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 \frac{d}{d x} [{(x^{2 x^{\frac{1}{2}}})}^{- 1}]$

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 $f (x) = x^{- 1}$ and $g (x) = x^{2 x^{\frac{1}{2}}}$ .

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Step 3.4.1

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (\frac{d}{d u_{1}} [{u_{1}}^{- 1}] \frac{d}{d x} [x^{2 x^{\frac{1}{2}}}])$

Step 3.4.2

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {u_{1}}^{- 2} \frac{d}{d x} [x^{2 x^{\frac{1}{2}}}])$

Step 3.4.3

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} \frac{d}{d x} [x^{2 x^{\frac{1}{2}}}])$

Step 3.5

Use the properties of logarithms to simplify the differentiation.

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Step 3.5.1

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} \frac{d}{d x} [e^{\ln (x^{2 x^{\frac{1}{2}}})}])$

Step 3.5.2

Expand $\ln (x^{2 x^{\frac{1}{2}}})$ by moving $2 x^{\frac{1}{2}}$ outside the logarithm.

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} \frac{d}{d x} [e^{2 x^{\frac{1}{2}} \ln (x)}])$

Step 3.6

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

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Step 3.6.1

To apply the Chain Rule, set $u_{2}$ as $2 x^{\frac{1}{2}} \ln (x)$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (\frac{d}{d u_{2}} [e^{u_{2}}] \frac{d}{d x} [2 x^{\frac{1}{2}} \ln (x)]))$

Step 3.6.2

Differentiate using the Exponential Rule which states that $\frac{d}{d u_{2}} [a^{u_{2}}]$ is $a^{u_{2}} \ln (a)$ where $a$ = $e$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{u_{2}} \frac{d}{d x} [2 x^{\frac{1}{2}} \ln (x)]))$

Step 3.6.3

Replace all occurrences of $u_{2}$ with $2 x^{\frac{1}{2}} \ln (x)$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{d}{d x} [2 x^{\frac{1}{2}} \ln (x)]))$

Step 3.7

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 \frac{d}{d x} [x^{\frac{1}{2}} \ln (x)])))$

Step 3.8

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 $f (x) = x^{\frac{1}{2}}$ and $g (x) = \ln (x)$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (x^{\frac{1}{2}} \frac{d}{d x} [\ln (x)] + \ln (x) \frac{d}{d x} [x^{\frac{1}{2}}]))))$

Step 3.9

The derivative of $\ln (x)$ with respect to $x$ is $\frac{1}{x}$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (x^{\frac{1}{2}} \frac{1}{x} + \ln (x) \frac{d}{d x} [x^{\frac{1}{2}}]))))$

Step 3.10

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- {(x^{2 x^{\frac{1}{2}}})}^{- 2} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (x^{\frac{1}{2}} \frac{1}{x} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.11

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

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Step 3.11.1

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{2 x^{\frac{1}{2}} \cdot - 2} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (x^{\frac{1}{2}} \frac{1}{x} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.11.2

Multiply $- 2$ by $2$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (x^{\frac{1}{2}} \frac{1}{x} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.12

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{x^{\frac{1}{2}}}{x} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.13

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x \cdot x^{- \frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.14

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

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Step 3.14.1

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

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Step 3.14.1.1

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{1} x^{- \frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.14.1.2

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{1 - \frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.14.2

Write $1$ as a fraction with a common denominator.

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{2}{2} - \frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.14.3

Combine the numerators over the common denominator.

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{2 - 1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.14.4

Subtract $1$ from $2$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1})))))$

Step 3.15

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} - 1 \cdot \frac{2}{2}})))))$

Step 3.16

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1}{2} + \frac{- 1 \cdot 2}{2}})))))$

Step 3.17

Combine the numerators over the common denominator.

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1 - 1 \cdot 2}{2}})))))$

Step 3.18

Simplify the numerator.

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Step 3.18.1

Multiply $- 1$ by $2$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{1 - 2}{2}})))))$

Step 3.18.2

Subtract $2$ from $1$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{\frac{- 1}{2}})))))$

Step 3.19

Move the negative in front of the fraction.

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) (\frac{1}{2} x^{- \frac{1}{2}})))))$

Step 3.20

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \ln (x) \frac{x^{- \frac{1}{2}}}{2}))))$

Step 3.21

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \frac{\ln (x) x^{- \frac{1}{2}}}{2}))))$

Step 3.22

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

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (2 (\frac{1}{x^{\frac{1}{2}}} + \frac{\ln (x)}{2 x^{\frac{1}{2}}}))))$

Step 3.23

Multiply $2$ by $- 1$ .

$\frac{91 x^{\frac{11}{2}}}{2} - 3 (- 2 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (\frac{1}{x^{\frac{1}{2}}} + \frac{\ln (x)}{2 x^{\frac{1}{2}}})))$

Step 3.24

Multiply $- 2$ by $- 3$ .

$\frac{91 x^{\frac{11}{2}}}{2} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} (\frac{1}{x^{\frac{1}{2}}} + \frac{\ln (x)}{2 x^{\frac{1}{2}}}))$

Step 4

Simplify.

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Step 4.1

Apply the distributive property.

$\frac{91 x^{\frac{11}{2}}}{2} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{1}{x^{\frac{1}{2}}} + e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.2

Apply the distributive property.

$\frac{91 x^{\frac{11}{2}}}{2} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{1}{x^{\frac{1}{2}}}) + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3

Combine terms.

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Step 4.3.1

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

$\frac{91 x^{\frac{11}{2}}}{2} + 6 x^{- 4 x^{\frac{1}{2}}} \frac{e^{2 x^{\frac{1}{2}} \ln (x)}}{x^{\frac{1}{2}}} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.2

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

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}}} \frac{6 e^{2 x^{\frac{1}{2}} \ln (x)}}{x^{\frac{1}{2}}} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.3

Combine $x^{- 4 x^{\frac{1}{2}}}$ and $\frac{6 e^{2 x^{\frac{1}{2}} \ln (x)}}{x^{\frac{1}{2}}}$ .

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{x^{- 4 x^{\frac{1}{2}}} (6 e^{2 x^{\frac{1}{2}} \ln (x)})}{x^{\frac{1}{2}}} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.4

Factor $x^{\frac{1}{2}}$ out of $x^{- 4 x^{\frac{1}{2}}} (6 e^{2 x^{\frac{1}{2}} \ln (x)})$ .

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{x^{\frac{1}{2}} (x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}))}{x^{\frac{1}{2}}} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.5

Cancel the common factors.

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Step 4.3.5.1

Multiply by $1$ .

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{x^{\frac{1}{2}} (x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}))}{x^{\frac{1}{2}} \cdot 1} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.5.2

Cancel the common factor.

Step 4.3.5.3

Rewrite the expression.

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)})}{1} + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.5.4

Divide $x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)})$ by $1$ .

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + 6 x^{- 4 x^{\frac{1}{2}}} (e^{2 x^{\frac{1}{2}} \ln (x)} \frac{\ln (x)}{2 x^{\frac{1}{2}}})$

Step 4.3.6

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

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + 6 x^{- 4 x^{\frac{1}{2}}} \frac{e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)}{2 x^{\frac{1}{2}}}$

Step 4.3.7

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

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + x^{- 4 x^{\frac{1}{2}}} \frac{6 (e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))}{2 x^{\frac{1}{2}}}$

Step 4.3.8

Combine $x^{- 4 x^{\frac{1}{2}}}$ and $\frac{6 (e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))}{2 x^{\frac{1}{2}}}$ .

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + \frac{x^{- 4 x^{\frac{1}{2}}} (6 (e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)))}{2 x^{\frac{1}{2}}}$

Step 4.3.9

Factor $x^{\frac{1}{2}}$ out of $x^{- 4 x^{\frac{1}{2}}} (6 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$ .

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + \frac{x^{\frac{1}{2}} (x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)))}{2 x^{\frac{1}{2}}}$

Step 4.3.10

Cancel the common factors.

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Step 4.3.10.1

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

Step 4.3.10.2

Cancel the common factor.

Step 4.3.10.3

Rewrite the expression.

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + \frac{x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))}{2}$

Step 4.3.11

Factor $2$ out of $x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$ .

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + \frac{2 (x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)))}{2}$

Step 4.3.12

Cancel the common factors.

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Step 4.3.12.1

Factor $2$ out of $2$ .

Step 4.3.12.2

Cancel the common factor.

Step 4.3.12.3

Rewrite the expression.

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + \frac{x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))}{1}$

Step 4.3.12.4

Divide $x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$ by $1$ .

$\frac{91 x^{\frac{11}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)}) + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.13

Reorder the factors of $x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (6 e^{2 x^{\frac{1}{2}} \ln (x)})$ .

$\frac{91 x^{\frac{11}{2}}}{2} + 6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.14

To write $6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}}$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{91 x^{\frac{11}{2}}}{2} + 6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} \cdot \frac{2}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.15

Combine $6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}}$ and $\frac{2}{2}$ .

$\frac{91 x^{\frac{11}{2}}}{2} + \frac{6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} \cdot 2}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.16

Combine the numerators over the common denominator.

$\frac{91 x^{\frac{11}{2}} + 6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} \cdot 2}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.17

Multiply $2$ by $6$ .

$\frac{91 x^{\frac{11}{2}} + 12 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}}}{2} + x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} (3 e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x))$

Step 4.3.18

Reorder $x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}}$ and $3$ .

$\frac{91 x^{\frac{11}{2}} + 12 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)}}{2} + 3 \cdot x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)$

Step 4.3.19

To write $3 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{91 x^{\frac{11}{2}} + 12 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)}}{2} + 3 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x) \cdot \frac{2}{2}$

Step 4.3.20

Combine $3 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)$ and $\frac{2}{2}$ .

$\frac{91 x^{\frac{11}{2}} + 12 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)}}{2} + \frac{3 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x) \cdot 2}{2}$

Step 4.3.21

Combine the numerators over the common denominator.

$\frac{91 x^{\frac{11}{2}} + 12 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} + 3 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x) \cdot 2}{2}$

Step 4.3.22

Multiply $2$ by $3$ .

$\frac{91 x^{\frac{11}{2}} + 12 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} + 6 x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} e^{2 x^{\frac{1}{2}} \ln (x)} \ln (x)}{2}$

Step 4.4

Reorder terms.

$\frac{12 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} + 6 e^{2 x^{\frac{1}{2}} \ln (x)} x^{- 4 x^{\frac{1}{2}} - \frac{1}{2}} \ln (x) + 91 x^{\frac{11}{2}}}{2}$