Calculus Examples

$\int \frac{24 s + 24}{(s^{2} + 1) {(s - 1)}^{3}} d s$

Step 1

Write the fraction using partial fraction decomposition.

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Step 1.1

Decompose the fraction and multiply through by the common denominator.

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Step 1.1.1

Factor $24$ out of $24 s + 24$ .

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Step 1.1.1.1

Factor $24$ out of $24 s$ .

$\frac{24 (s) + 24}{(s^{2} + 1) {(s - 1)}^{3}}$

Step 1.1.1.2

Factor $24$ out of $24$ .

$\frac{24 (s) + 24 (1)}{(s^{2} + 1) {(s - 1)}^{3}}$

Step 1.1.1.3

Factor $24$ out of $24 (s) + 24 (1)$ .

$\frac{24 (s + 1)}{(s^{2} + 1) {(s - 1)}^{3}}$

Step 1.1.2

For each factor in the denominator, create a new fraction using the factor as the denominator, and an unknown value as the numerator. Since the factor is 2nd order, $2$ terms are required in the numerator. The number of terms required in the numerator is always equal to the order of the factor in the denominator.

$\frac{A s + B}{s^{2} + 1}$

Step 1.1.3

For each factor in the denominator, create a new fraction using the factor as the denominator, and an unknown value as the numerator. Since the factor in the denominator is linear, put a single variable in its place $C$ .

$\frac{A s + B}{s^{2} + 1} + \frac{C}{{(s - 1)}^{3}}$

Step 1.1.4

$\frac{A s + B}{s^{2} + 1} + \frac{C}{{(s - 1)}^{3}} + \frac{D}{{(s - 1)}^{2}}$

Step 1.1.5

$\frac{A s + B}{s^{2} + 1} + \frac{C}{{(s - 1)}^{3}} + \frac{D}{{(s - 1)}^{2}} + \frac{F}{s - 1}$

Step 1.1.6

Multiply each fraction in the equation by the denominator of the original expression. In this case, the denominator is $(s^{2} + 1) {(s - 1)}^{3}$ .

$\frac{24 (s + 1) (s^{2} + 1) {(s - 1)}^{3}}{(s^{2} + 1) {(s - 1)}^{3}} = \frac{(A s + B) (s^{2} + 1) {(s - 1)}^{3}}{s^{2} + 1} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.7

Cancel the common factor of $s^{2} + 1$ .

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Step 1.1.7.1

Cancel the common factor.

Step 1.1.7.2

Rewrite the expression.

$\frac{24 (s + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} = \frac{(A s + B) (s^{2} + 1) {(s - 1)}^{3}}{s^{2} + 1} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.8

Cancel the common factor of ${(s - 1)}^{3}$ .

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Step 1.1.8.1

Cancel the common factor.

Step 1.1.8.2

Divide $24 (s + 1)$ by $1$ .

$24 (s + 1) = \frac{(A s + B) (s^{2} + 1) {(s - 1)}^{3}}{s^{2} + 1} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.9

Apply the distributive property.

$24 s + 24 \cdot 1 = \frac{(A s + B) (s^{2} + 1) {(s - 1)}^{3}}{s^{2} + 1} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.10

Multiply $24$ by $1$ .

$24 s + 24 = \frac{(A s + B) (s^{2} + 1) {(s - 1)}^{3}}{s^{2} + 1} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11

Simplify each term.

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Step 1.1.11.1

Cancel the common factor of $s^{2} + 1$ .

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Step 1.1.11.1.1

Cancel the common factor.

Step 1.1.11.1.2

Divide $(A s + B) {(s - 1)}^{3}$ by $1$ .

$24 s + 24 = (A s + B) {(s - 1)}^{3} + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.2

Use the Binomial Theorem.

$24 s + 24 = (A s + B) (s^{3} + 3 s^{2} \cdot - 1 + 3 s {(- 1)}^{2} + {(- 1)}^{3}) + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.3

Simplify each term.

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Step 1.1.11.3.1

Multiply $- 1$ by $3$ .

$24 s + 24 = (A s + B) (s^{3} - 3 s^{2} + 3 s {(- 1)}^{2} + {(- 1)}^{3}) + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.3.2

Raise $- 1$ to the power of $2$ .

$24 s + 24 = (A s + B) (s^{3} - 3 s^{2} + 3 s \cdot 1 + {(- 1)}^{3}) + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.3.3

Multiply $3$ by $1$ .

$24 s + 24 = (A s + B) (s^{3} - 3 s^{2} + 3 s + {(- 1)}^{3}) + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.3.4

Raise $- 1$ to the power of $3$ .

$24 s + 24 = (A s + B) (s^{3} - 3 s^{2} + 3 s - 1) + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.4

Expand $(A s + B) (s^{3} - 3 s^{2} + 3 s - 1)$ by multiplying each term in the first expression by each term in the second expression.

$24 s + 24 = A s \cdot s^{3} + A s (- 3 s^{2}) + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5

Simplify each term.

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Step 1.1.11.5.1

Multiply $s$ by $s^{3}$ by adding the exponents.

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Step 1.1.11.5.1.1

Move $s^{3}$ .

$24 s + 24 = A (s^{3} s) + A s (- 3 s^{2}) + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.1.2

Multiply $s^{3}$ by $s$ .

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Step 1.1.11.5.1.2.1

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

Step 1.1.11.5.1.2.2

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

$24 s + 24 = A s^{3 + 1} + A s (- 3 s^{2}) + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.1.3

Add $3$ and $1$ .

$24 s + 24 = A s^{4} + A s (- 3 s^{2}) + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.2

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s \cdot s^{2} + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.3

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

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Step 1.1.11.5.3.1

Move $s^{2}$ .

$24 s + 24 = A s^{4} - 3 A (s^{2} s) + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.3.2

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

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Step 1.1.11.5.3.2.1

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

Step 1.1.11.5.3.2.2

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

$24 s + 24 = A s^{4} - 3 A s^{2 + 1} + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.3.3

Add $2$ and $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + A s (3 s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.4

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s \cdot s + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.5

Multiply $s$ by $s$ by adding the exponents.

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Step 1.1.11.5.5.1

Move $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A (s \cdot s) + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.5.2

Multiply $s$ by $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} + A s \cdot - 1 + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.6

Move $- 1$ to the left of $A s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - 1 \cdot (A s) + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.7

Rewrite $- 1 (A s)$ as $- (A s)$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - (A s) + B s^{3} + B (- 3 s^{2}) + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.8

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + B (3 s) + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.9

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s + B \cdot - 1 + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.10

Move $- 1$ to the left of $B$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - 1 \cdot B + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.5.11

Rewrite $- 1 B$ as $- B$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + \frac{(C) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{3}} + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.6

Cancel the common factor of ${(s - 1)}^{3}$ .

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Step 1.1.11.6.1

Cancel the common factor.

Step 1.1.11.6.2

Divide $(C) (s^{2} + 1)$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + (C) (s^{2} + 1) + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.7

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C \cdot 1 + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.8

Multiply $C$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + \frac{(D) (s^{2} + 1) {(s - 1)}^{3}}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.9

Cancel the common factor of ${(s - 1)}^{3}$ and ${(s - 1)}^{2}$ .

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Step 1.1.11.9.1

Factor ${(s - 1)}^{2}$ out of $(D) (s^{2} + 1) {(s - 1)}^{3}$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + \frac{{(s - 1)}^{2} ((D) (s^{2} + 1) (s - 1))}{{(s - 1)}^{2}} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.9.2

Cancel the common factors.

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Step 1.1.11.9.2.1

Multiply by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + \frac{{(s - 1)}^{2} ((D) (s^{2} + 1) (s - 1))}{{(s - 1)}^{2} \cdot 1} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.9.2.2

Cancel the common factor.

Step 1.1.11.9.2.3

Rewrite the expression.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + \frac{(D) (s^{2} + 1) (s - 1)}{1} + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.9.2.4

Divide $(D) (s^{2} + 1) (s - 1)$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + (D) (s^{2} + 1) (s - 1) + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.10

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + (D s^{2} + D \cdot 1) (s - 1) + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.11

Multiply $D$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + (D s^{2} + D) (s - 1) + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.12

Expand $(D s^{2} + D) (s - 1)$ using the FOIL Method.

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Step 1.1.11.12.1

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{2} (s - 1) + D (s - 1) + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.12.2

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{2} s + D s^{2} \cdot - 1 + D (s - 1) + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.12.3

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{2} s + D s^{2} \cdot - 1 + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13

Simplify each term.

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Step 1.1.11.13.1

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

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Step 1.1.11.13.1.1

Move $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D (s \cdot s^{2}) + D s^{2} \cdot - 1 + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.1.2

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

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Step 1.1.11.13.1.2.1

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

Step 1.1.11.13.1.2.2

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

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{1 + 2} + D s^{2} \cdot - 1 + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.1.3

Add $1$ and $2$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} + D s^{2} \cdot - 1 + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.2

Move $- 1$ to the left of $D s^{2}$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - 1 \cdot (D s^{2}) + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.3

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

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - (D s^{2}) + D s + D \cdot - 1 + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.4

Move $- 1$ to the left of $D$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - 1 \cdot D + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.13.5

Rewrite $- 1 D$ as $- D$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + \frac{(F) (s^{2} + 1) {(s - 1)}^{3}}{s - 1}$

Step 1.1.11.14

Cancel the common factor of ${(s - 1)}^{3}$ and $s - 1$ .

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Step 1.1.11.14.1

Factor $s - 1$ out of $(F) (s^{2} + 1) {(s - 1)}^{3}$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + \frac{(s - 1) ((F) (s^{2} + 1) {(s - 1)}^{2})}{s - 1}$

Step 1.1.11.14.2

Cancel the common factors.

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Step 1.1.11.14.2.1

Multiply by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + \frac{(s - 1) ((F) (s^{2} + 1) {(s - 1)}^{2})}{(s - 1) \cdot 1}$

Step 1.1.11.14.2.2

Cancel the common factor.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + \frac{(s - 1) ((F) (s^{2} + 1) {(s - 1)}^{2})}{(s - 1) \cdot 1}$

Step 1.1.11.14.2.3

Rewrite the expression.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + \frac{(F) (s^{2} + 1) {(s - 1)}^{2}}{1}$

Step 1.1.11.14.2.4

Divide $(F) (s^{2} + 1) {(s - 1)}^{2}$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F) (s^{2} + 1) {(s - 1)}^{2}$

Step 1.1.11.15

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F \cdot 1) {(s - 1)}^{2}$

Step 1.1.11.16

Multiply $F$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) {(s - 1)}^{2}$

Step 1.1.11.17

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

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) ((s - 1) (s - 1))$

Step 1.1.11.18

Expand $(s - 1) (s - 1)$ using the FOIL Method.

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Step 1.1.11.18.1

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s (s - 1) - 1 (s - 1))$

Step 1.1.11.18.2

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s \cdot s + s \cdot - 1 - 1 (s - 1))$

Step 1.1.11.18.3

Apply the distributive property.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s \cdot s + s \cdot - 1 - 1 s - 1 \cdot - 1)$

Step 1.1.11.19

Simplify and combine like terms.

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Step 1.1.11.19.1

Simplify each term.

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Step 1.1.11.19.1.1

Multiply $s$ by $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} + s \cdot - 1 - 1 s - 1 \cdot - 1)$

Step 1.1.11.19.1.2

Move $- 1$ to the left of $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} - 1 \cdot s - 1 s - 1 \cdot - 1)$

Step 1.1.11.19.1.3

Rewrite $- 1 s$ as $- s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} - s - 1 s - 1 \cdot - 1)$

Step 1.1.11.19.1.4

Rewrite $- 1 s$ as $- s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} - s - s - 1 \cdot - 1)$

Step 1.1.11.19.1.5

Multiply $- 1$ by $- 1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} - s - s + 1)$

Step 1.1.11.19.2

Subtract $s$ from $- s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + (F s^{2} + F) (s^{2} - 2 s + 1)$

Step 1.1.11.20

Expand $(F s^{2} + F) (s^{2} - 2 s + 1)$ by multiplying each term in the first expression by each term in the second expression.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{2} s^{2} + F s^{2} (- 2 s) + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21

Simplify each term.

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Step 1.1.11.21.1

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

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Step 1.1.11.21.1.1

Move $s^{2}$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F (s^{2} s^{2}) + F s^{2} (- 2 s) + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.1.2

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

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{2 + 2} + F s^{2} (- 2 s) + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.1.3

Add $2$ and $2$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} + F s^{2} (- 2 s) + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.2

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{2} s + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.3

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

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Step 1.1.11.21.3.1

Move $s$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F (s \cdot s^{2}) + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.3.2

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

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Step 1.1.11.21.3.2.1

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

Step 1.1.11.21.3.2.2

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

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{1 + 2} + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.3.3

Add $1$ and $2$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + F s^{2} \cdot 1 + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.4

Multiply $F$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + F s^{2} + F s^{2} + F (- 2 s) + F \cdot 1$

Step 1.1.11.21.5

Rewrite using the commutative property of multiplication.

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + F s^{2} + F s^{2} - 2 F s + F \cdot 1$

Step 1.1.11.21.6

Multiply $F$ by $1$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + F s^{2} + F s^{2} - 2 F s + F$

Step 1.1.11.22

Add $F s^{2}$ and $F s^{2}$ .

$24 s + 24 = A s^{4} - 3 A s^{3} + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12

Simplify the expression.

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Step 1.1.12.1

Move $A$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 A s^{2} - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.2

Move $A$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - A s + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.3

Move $A$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.4

Reorder $B$ and $s^{3}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 B s^{2} + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.5

Move $B$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 B s - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.6

Move $B$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.7

Reorder $F$ and $s^{4}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 F s^{3} + 2 F s^{2} - 2 F s + F$

Step 1.1.12.8

Move $F$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 s^{3} F + 2 F s^{2} - 2 F s + F$

Step 1.1.12.9

Move $F$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 s^{3} F + 2 s^{2} F - 2 F s + F$

Step 1.1.12.10

Move $F$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s - D + F s^{4} - 2 s^{3} F + 2 s^{2} F - 2 s F + F$

Step 1.1.12.11

Move $- D$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + C + D s^{3} - D s^{2} + D s + F s^{4} - 2 s^{3} F + 2 s^{2} F - 2 s F - D + F$

Step 1.1.12.12

Move $C$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B - B + C s^{2} + D s^{3} - D s^{2} + D s + F s^{4} - 2 s^{3} F + 2 s^{2} F - 2 s F + C - D + F$

Step 1.1.12.13

Move $- B$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B + C s^{2} + D s^{3} - D s^{2} + D s + F s^{4} - 2 s^{3} F + 2 s^{2} F - 2 s F - B + C - D + F$

Step 1.1.12.14

Move $D s$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + 3 s B + C s^{2} + D s^{3} - D s^{2} + F s^{4} - 2 s^{3} F + 2 s^{2} F + D s - 2 s F - B + C - D + F$

Step 1.1.12.15

Move $3 s B$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A - 1 s A + B s^{3} - 3 s^{2} B + C s^{2} + D s^{3} - D s^{2} + F s^{4} - 2 s^{3} F + 2 s^{2} F + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.16

Move $- 1 s A$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A + B s^{3} - 3 s^{2} B + C s^{2} + D s^{3} - D s^{2} + F s^{4} - 2 s^{3} F + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.17

Move $- D s^{2}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A + B s^{3} - 3 s^{2} B + C s^{2} + D s^{3} + F s^{4} - 2 s^{3} F - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.18

Move $C s^{2}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A + B s^{3} - 3 s^{2} B + D s^{3} + F s^{4} - 2 s^{3} F + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.19

Move $- 3 s^{2} B$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + 3 s^{2} A + B s^{3} + D s^{3} + F s^{4} - 2 s^{3} F - 3 s^{2} B + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.20

Move $3 s^{2} A$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + B s^{3} + D s^{3} + F s^{4} - 2 s^{3} F + 3 s^{2} A - 3 s^{2} B + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.21

Move $D s^{3}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + B s^{3} + F s^{4} + D s^{3} - 2 s^{3} F + 3 s^{2} A - 3 s^{2} B + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.22

Move $B s^{3}$ .

$24 s + 24 = A s^{4} - 3 s^{3} A + F s^{4} + B s^{3} + D s^{3} - 2 s^{3} F + 3 s^{2} A - 3 s^{2} B + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.1.12.23

Move $- 3 s^{3} A$ .

$24 s + 24 = A s^{4} + F s^{4} - 3 s^{3} A + B s^{3} + D s^{3} - 2 s^{3} F + 3 s^{2} A - 3 s^{2} B + C s^{2} - D s^{2} + 2 s^{2} F - 1 s A + 3 s B + D s - 2 s F - B + C - D + F$

Step 1.2

Create equations for the partial fraction variables and use them to set up a system of equations.

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Step 1.2.1

Create an equation for the partial fraction variables by equating the coefficients of $s^{4}$ from each side of the equation. For the equation to be equal, the equivalent coefficients on each side of the equation must be equal.

$0 = A + F$

Step 1.2.2

Create an equation for the partial fraction variables by equating the coefficients of $s^{3}$ from each side of the equation. For the equation to be equal, the equivalent coefficients on each side of the equation must be equal.

$0 = - 3 A + B + D - 2 F$

Step 1.2.3

Create an equation for the partial fraction variables by equating the coefficients of $s^{2}$ from each side of the equation. For the equation to be equal, the equivalent coefficients on each side of the equation must be equal.

$0 = 3 A - 3 B + C - 1 D + 2 F$

Step 1.2.4

Create an equation for the partial fraction variables by equating the coefficients of $s$ from each side of the equation. For the equation to be equal, the equivalent coefficients on each side of the equation must be equal.

$24 = - 1 A + 3 B + D - 2 F$

Step 1.2.5

Create an equation for the partial fraction variables by equating the coefficients of the terms not containing $s$ . For the equation to be equal, the equivalent coefficients on each side of the equation must be equal.

$24 = - 1 B + C - 1 D + F$

Step 1.2.6

Set up the system of equations to find the coefficients of the partial fractions.

$0 = A + F$

$0 = - 3 A + B + D - 2 F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = A + F$

$0 = - 3 A + B + D - 2 F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3

Solve the system of equations.

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Step 1.3.1

Solve for $A$ in $0 = A + F$ .

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Step 1.3.1.1

Rewrite the equation as $A + F = 0$ .

$A + F = 0$

$0 = - 3 A + B + D - 2 F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.1.2

Subtract $F$ from both sides of the equation.

$A = - F$

$0 = - 3 A + B + D - 2 F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$A = - F$

$0 = - 3 A + B + D - 2 F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2

Replace all occurrences of $A$ with $- F$ in each equation.

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Step 1.3.2.1

Replace all occurrences of $A$ in $0 = - 3 A + B + D - 2 F$ with $- F$ .

$0 = - 3 (- F) + B + D - 2 F$

$A = - F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.2

Simplify the right side.

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Step 1.3.2.2.1

Simplify $- 3 (- F) + B + D - 2 F$ .

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Step 1.3.2.2.1.1

Multiply $- 1$ by $- 3$ .

$0 = 3 F + B + D - 2 F$

$A = - F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.2.1.2

Subtract $2 F$ from $3 F$ .

$0 = B + D + F$

$A = - F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = B + D + F$

$A = - F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = B + D + F$

$A = - F$

$0 = 3 A - 3 B + C - 1 D + 2 F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.3

Replace all occurrences of $A$ in $0 = 3 A - 3 B + C - 1 D + 2 F$ with $- F$ .

$0 = 3 (- F) - 3 B + C - 1 D + 2 F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.4

Simplify the right side.

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Step 1.3.2.4.1

Simplify $3 (- F) - 3 B + C - 1 D + 2 F$ .

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Step 1.3.2.4.1.1

Simplify each term.

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Step 1.3.2.4.1.1.1

Multiply $- 1$ by $3$ .

$0 = - 3 F - 3 B + C - 1 D + 2 F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.4.1.1.2

Rewrite $- 1 D$ as $- D$ .

$0 = - 3 F - 3 B + C - D + 2 F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = - 3 F - 3 B + C - D + 2 F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.4.1.2

Add $- 3 F$ and $2 F$ .

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 A + 3 B + D - 2 F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.5

Replace all occurrences of $A$ in $24 = - 1 A + 3 B + D - 2 F$ with $- F$ .

$24 = - 1 (- F) + 3 B + D - 2 F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.6

Simplify the right side.

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Step 1.3.2.6.1

Simplify $- 1 (- F) + 3 B + D - 2 F$ .

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Step 1.3.2.6.1.1

Multiply $- 1 (- F)$ .

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Step 1.3.2.6.1.1.1

Multiply $- 1$ by $- 1$ .

$24 = 1 F + 3 B + D - 2 F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.6.1.1.2

Multiply $F$ by $1$ .

$24 = F + 3 B + D - 2 F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$24 = F + 3 B + D - 2 F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.2.6.1.2

Subtract $2 F$ from $F$ .

$24 = 3 B + D - F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$24 = 3 B + D - F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$24 = 3 B + D - F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$24 = 3 B + D - F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.3

Solve for $D$ in $24 = 3 B + D - F$ .

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Step 1.3.3.1

Rewrite the equation as $3 B + D - F = 24$ .

$3 B + D - F = 24$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.3.2

Move all terms not containing $D$ to the right side of the equation.

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Step 1.3.3.2.1

Subtract $3 B$ from both sides of the equation.

$D - F = 24 - 3 B$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.3.2.2

Add $F$ to both sides of the equation.

$D = 24 - 3 B + F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$D = 24 - 3 B + F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$D = 24 - 3 B + F$

$0 = - 3 B + C - D - F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4

Replace all occurrences of $D$ with $24 - 3 B + F$ in each equation.

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Step 1.3.4.1

Replace all occurrences of $D$ in $0 = - 3 B + C - D - F$ with $24 - 3 B + F$ .

$0 = - 3 B + C - (24 - 3 B + F) - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2

Simplify the right side.

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Step 1.3.4.2.1

Simplify $- 3 B + C - (24 - 3 B + F) - F$ .

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Step 1.3.4.2.1.1

Simplify each term.

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Step 1.3.4.2.1.1.1

Apply the distributive property.

$0 = - 3 B + C - 1 \cdot 24 - (- 3 B) - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2.1.1.2

Simplify.

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Step 1.3.4.2.1.1.2.1

Multiply $- 1$ by $24$ .

$0 = - 3 B + C - 24 - (- 3 B) - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2.1.1.2.2

Multiply $- 3$ by $- 1$ .

$0 = - 3 B + C - 24 + 3 B - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = - 3 B + C - 24 + 3 B - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = - 3 B + C - 24 + 3 B - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2.1.2

Simplify by adding terms.

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Step 1.3.4.2.1.2.1

Combine the opposite terms in $- 3 B + C - 24 + 3 B - F - F$ .

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Step 1.3.4.2.1.2.1.1

Add $- 3 B$ and $3 B$ .

$0 = C - 24 + 0 - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2.1.2.1.2

Add $C - 24$ and $0$ .

$0 = C - 24 - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = C - 24 - F - F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.2.1.2.2

Subtract $F$ from $- F$ .

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$0 = B + D + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.3

Replace all occurrences of $D$ in $0 = B + D + F$ with $24 - 3 B + F$ .

$0 = B + 24 - 3 B + F + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.4

Simplify $0 = B + 24 - 3 B + F + F$ .

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Step 1.3.4.4.1

Simplify the left side.

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Step 1.3.4.4.1.1

Remove parentheses.

$0 = B + 24 - 3 B + F + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = B + 24 - 3 B + F + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.4.2

Simplify the right side.

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Step 1.3.4.4.2.1

Simplify $B + 24 - 3 B + F + F$ .

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Step 1.3.4.4.2.1.1

Subtract $3 B$ from $B$ .

$0 = - 2 B + 24 + F + F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.4.2.1.2

Add $F$ and $F$ .

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - 1 B + C - 1 D + F$

Step 1.3.4.5

Replace all occurrences of $D$ in $24 = - 1 B + C - 1 D + F$ with $24 - 3 B + F$ .

$24 = - 1 B + C - 1 (24 - 3 B + F) + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6

Simplify the right side.

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Step 1.3.4.6.1

Simplify $- 1 B + C - 1 (24 - 3 B + F) + F$ .

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Step 1.3.4.6.1.1

Simplify each term.

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Step 1.3.4.6.1.1.1

Rewrite $- 1 B$ as $- B$ .

$24 = - B + C - 1 (24 - 3 B + F) + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.1.2

Apply the distributive property.

$24 = - B + C - 1 \cdot 24 - 1 (- 3 B) - 1 F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.1.3

Simplify.

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Step 1.3.4.6.1.1.3.1

Multiply $- 1$ by $24$ .

$24 = - B + C - 24 - 1 (- 3 B) - 1 F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.1.3.2

Multiply $- 3$ by $- 1$ .

$24 = - B + C - 24 + 3 B - 1 F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.1.3.3

Rewrite $- 1 F$ as $- F$ .

$24 = - B + C - 24 + 3 B - F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - B + C - 24 + 3 B - F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - B + C - 24 + 3 B - F + F$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.2

Simplify by adding terms.

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Step 1.3.4.6.1.2.1

Combine the opposite terms in $- B + C - 24 + 3 B - F + F$ .

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Step 1.3.4.6.1.2.1.1

Add $- F$ and $F$ .

$24 = - B + C - 24 + 3 B + 0$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.2.1.2

Add $- B + C - 24 + 3 B$ and $0$ .

$24 = - B + C - 24 + 3 B$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = - B + C - 24 + 3 B$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.4.6.1.2.2

Add $- B$ and $3 B$ .

$24 = 2 B + C - 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = 2 B + C - 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = 2 B + C - 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = 2 B + C - 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$24 = 2 B + C - 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.5

Solve for $C$ in $24 = 2 B + C - 24$ .

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Step 1.3.5.1

Rewrite the equation as $2 B + C - 24 = 24$ .

$2 B + C - 24 = 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.5.2

Move all terms not containing $C$ to the right side of the equation.

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Step 1.3.5.2.1

Subtract $2 B$ from both sides of the equation.

$C - 24 = 24 - 2 B$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.5.2.2

Add $24$ to both sides of the equation.

$C = 24 - 2 B + 24$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.5.2.3

Add $24$ and $24$ .

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$0 = C - 24 - 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.6

Replace all occurrences of $C$ with $- 2 B + 48$ in each equation.

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Step 1.3.6.1

Replace all occurrences of $C$ in $0 = C - 24 - 2 F$ with $- 2 B + 48$ .

$0 = (- 2 B + 48) - 24 - 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.6.2

Simplify the right side.

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Step 1.3.6.2.1

Subtract $24$ from $48$ .

$0 = - 2 B + 24 - 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$0 = - 2 B + 24 - 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$0 = - 2 B + 24 - 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7

Solve for $B$ in $0 = - 2 B + 24 - 2 F$ .

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Step 1.3.7.1

Rewrite the equation as $- 2 B + 24 - 2 F = 0$ .

$- 2 B + 24 - 2 F = 0$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.2

Move all terms not containing $B$ to the right side of the equation.

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Step 1.3.7.2.1

Subtract $24$ from both sides of the equation.

$- 2 B - 2 F = - 24$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.2.2

Add $2 F$ to both sides of the equation.

$- 2 B = - 24 + 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$- 2 B = - 24 + 2 F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3

Divide each term in $- 2 B = - 24 + 2 F$ by $- 2$ and simplify.

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Step 1.3.7.3.1

Divide each term in $- 2 B = - 24 + 2 F$ by $- 2$ .

$\frac{- 2 B}{- 2} = \frac{- 24}{- 2} + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.2

Simplify the left side.

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Step 1.3.7.3.2.1

Cancel the common factor of $- 2$ .

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Step 1.3.7.3.2.1.1

Cancel the common factor.

$\frac{- 2 B}{- 2} = \frac{- 24}{- 2} + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.2.1.2

Divide $B$ by $1$ .

$B = \frac{- 24}{- 2} + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = \frac{- 24}{- 2} + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = \frac{- 24}{- 2} + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.3

Simplify the right side.

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Step 1.3.7.3.3.1

Simplify each term.

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Step 1.3.7.3.3.1.1

Divide $- 24$ by $- 2$ .

$B = 12 + \frac{2 F}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.3.1.2

Cancel the common factor of $2$ and $- 2$ .

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Step 1.3.7.3.3.1.2.1

Factor $2$ out of $2 F$ .

$B = 12 + \frac{2 (F)}{- 2}$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.3.1.2.2

Move the negative one from the denominator of $\frac{F}{- 1}$ .

$B = 12 - 1 \cdot F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = 12 - 1 \cdot F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.7.3.3.1.3

Rewrite $- 1 \cdot F$ as $- F$ .

$B = 12 - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = 12 - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = 12 - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = 12 - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$B = 12 - F$

$C = - 2 B + 48$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8

Replace all occurrences of $B$ with $12 - F$ in each equation.

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Step 1.3.8.1

Replace all occurrences of $B$ in $C = - 2 B + 48$ with $12 - F$ .

$C = - 2 (12 - F) + 48$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.2

Simplify the right side.

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Step 1.3.8.2.1

Simplify $- 2 (12 - F) + 48$ .

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Step 1.3.8.2.1.1

Simplify each term.

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Step 1.3.8.2.1.1.1

Apply the distributive property.

$C = - 2 \cdot 12 - 2 (- F) + 48$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.2.1.1.2

Multiply $- 2$ by $12$ .

$C = - 24 - 2 (- F) + 48$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.2.1.1.3

Multiply $- 1$ by $- 2$ .

$C = - 24 + 2 F + 48$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$C = - 24 + 2 F + 48$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.2.1.2

Add $- 24$ and $48$ .

$C = 2 F + 24$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$C = 2 F + 24$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

$C = 2 F + 24$

$B = 12 - F$

$0 = - 2 B + 24 + 2 F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.3

Replace all occurrences of $B$ in $0 = - 2 B + 24 + 2 F$ with $12 - F$ .

$0 = - 2 (12 - F) + 24 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4

Simplify the right side.

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Step 1.3.8.4.1

Simplify $- 2 (12 - F) + 24 + 2 F$ .

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Step 1.3.8.4.1.1

Simplify each term.

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Step 1.3.8.4.1.1.1

Apply the distributive property.

$0 = - 2 \cdot 12 - 2 (- F) + 24 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4.1.1.2

Multiply $- 2$ by $12$ .

$0 = - 24 - 2 (- F) + 24 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4.1.1.3

Multiply $- 1$ by $- 2$ .

$0 = - 24 + 2 F + 24 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

$0 = - 24 + 2 F + 24 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4.1.2

Simplify by adding terms.

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Step 1.3.8.4.1.2.1

Combine the opposite terms in $- 24 + 2 F + 24 + 2 F$ .

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Step 1.3.8.4.1.2.1.1

Add $- 24$ and $24$ .

$0 = 2 F + 0 + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4.1.2.1.2

Add $2 F$ and $0$ .

$0 = 2 F + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

$0 = 2 F + 2 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.4.1.2.2

Add $2 F$ and $2 F$ .

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$D = 24 - 3 B + F$

$A = - F$

Step 1.3.8.5

Replace all occurrences of $B$ in $D = 24 - 3 B + F$ with $12 - F$ .

$D = 24 - 3 (12 - F) + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.8.6

Simplify the right side.

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Step 1.3.8.6.1

Simplify $24 - 3 (12 - F) + F$ .

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Step 1.3.8.6.1.1

Simplify each term.

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Step 1.3.8.6.1.1.1

Apply the distributive property.

$D = 24 - 3 \cdot 12 - 3 (- F) + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.8.6.1.1.2

Multiply $- 3$ by $12$ .

$D = 24 - 36 - 3 (- F) + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.8.6.1.1.3

Multiply $- 1$ by $- 3$ .

$D = 24 - 36 + 3 F + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = 24 - 36 + 3 F + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.8.6.1.2

Simplify by adding terms.

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Step 1.3.8.6.1.2.1

Subtract $36$ from $24$ .

$D = - 12 + 3 F + F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.8.6.1.2.2

Add $3 F$ and $F$ .

$D = - 12 + 4 F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12 + 4 F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12 + 4 F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12 + 4 F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12 + 4 F$

$0 = 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.9

Solve for $F$ in $0 = 4 F$ .

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Step 1.3.9.1

Rewrite the equation as $4 F = 0$ .

$4 F = 0$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.9.2

Divide each term in $4 F = 0$ by $4$ and simplify.

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Step 1.3.9.2.1

Divide each term in $4 F = 0$ by $4$ .

$\frac{4 F}{4} = \frac{0}{4}$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.9.2.2

Simplify the left side.

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Step 1.3.9.2.2.1

Cancel the common factor of $4$ .

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Step 1.3.9.2.2.1.1

Cancel the common factor.

$\frac{4 F}{4} = \frac{0}{4}$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.9.2.2.1.2

Divide $F$ by $1$ .

$F = \frac{0}{4}$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$F = \frac{0}{4}$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$F = \frac{0}{4}$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.9.2.3

Simplify the right side.

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Step 1.3.9.2.3.1

Divide $0$ by $4$ .

$F = 0$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$F = 0$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$F = 0$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$F = 0$

$D = - 12 + 4 F$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.10

Replace all occurrences of $F$ with $0$ in each equation.

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Step 1.3.10.1

Replace all occurrences of $F$ in $D = - 12 + 4 F$ with $0$ .

$D = - 12 + 4 (0)$

$F = 0$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.10.2

Simplify the right side.

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Step 1.3.10.2.1

Simplify $- 12 + 4 (0)$ .

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Step 1.3.10.2.1.1

Multiply $4$ by $0$ .

$D = - 12 + 0$

$F = 0$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.10.2.1.2

Add $- 12$ and $0$ .

$D = - 12$

$F = 0$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12$

$F = 0$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

$D = - 12$

$F = 0$

$C = 2 F + 24$

$B = 12 - F$

$A = - F$

Step 1.3.10.3

Replace all occurrences of $F$ in $C = 2 F + 24$ with $0$ .

$C = 2 (0) + 24$

$D = - 12$

$F = 0$

$B = 12 - F$

$A = - F$

Step 1.3.10.4

Simplify the right side.

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Step 1.3.10.4.1

Simplify $2 (0) + 24$ .

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Step 1.3.10.4.1.1

Multiply $2$ by $0$ .

$C = 0 + 24$

$D = - 12$

$F = 0$

$B = 12 - F$

$A = - F$

Step 1.3.10.4.1.2

Add $0$ and $24$ .

$C = 24$

$D = - 12$

$F = 0$

$B = 12 - F$

$A = - F$

$C = 24$

$D = - 12$

$F = 0$

$B = 12 - F$

$A = - F$

$C = 24$

$D = - 12$

$F = 0$

$B = 12 - F$

$A = - F$

Step 1.3.10.5

Replace all occurrences of $F$ in $B = 12 - F$ with $0$ .

$B = 12 - (0)$

$C = 24$

$D = - 12$

$F = 0$

$A = - F$

Step 1.3.10.6

Simplify the right side.

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Step 1.3.10.6.1

Subtract $0$ from $12$ .

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

$A = - F$

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

$A = - F$

Step 1.3.10.7

Replace all occurrences of $F$ in $A = - F$ with $0$ .

$A = - (0)$

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

Step 1.3.10.8

Simplify the right side.

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Step 1.3.10.8.1

Multiply $- 1$ by $0$ .

$A = 0$

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

$A = 0$

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

$A = 0$

$B = 12$

$C = 24$

$D = - 12$

$F = 0$

Step 1.3.11

List all of the solutions.

$A = 0, B = 12, C = 24, D = - 12, F = 0$

Step 1.4

Replace each of the partial fraction coefficients in $\frac{A s + B}{s^{2} + 1} + \frac{C}{{(s - 1)}^{3}} + \frac{D}{{(s - 1)}^{2}} + \frac{F}{s - 1}$ with the values found for $A$ , $B$ , $C$ , $D$ , and $F$ .

$\frac{0 s + 12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5

Simplify.

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Step 1.5.1

Simplify the numerator.

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Step 1.5.1.1

Factor $12$ out of $0 \cdot s + 12$ .

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Step 1.5.1.1.1

Factor $12$ out of $0 \cdot s$ .

$\frac{12 (0 \cdot s) + 12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.1.1.2

Factor $12$ out of $12$ .

$\frac{12 (0 \cdot s) + 12 (1)}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.1.1.3

Factor $12$ out of $12 (0 \cdot s) + 12 (1)$ .

$\frac{12 (0 \cdot s + 1)}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.1.2

Multiply $0$ by $s$ .

$\frac{12 (0 + 1)}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.1.3

Add $0$ and $1$ .

$\frac{12 \cdot 1}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.2

Multiply $12$ by $1$ .

$\frac{12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + \frac{0}{s - 1}$

Step 1.5.3

Divide $0$ by $s - 1$ .

$\frac{12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} + \frac{- 12}{{(s - 1)}^{2}} + 0$

Step 1.5.4

Move the negative in front of the fraction.

$\frac{12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} - \frac{12}{{(s - 1)}^{2}} + 0$

Step 1.5.5

Remove the zero from the expression.

$\int \frac{12}{s^{2} + 1} + \frac{24}{{(s - 1)}^{3}} - \frac{12}{{(s - 1)}^{2}} d s$

Step 2

Split the single integral into multiple integrals.

$\int \frac{12}{s^{2} + 1} d s + \int \frac{24}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 3

Since $12$ is constant with respect to $s$ , move $12$ out of the integral.

$12 \int \frac{1}{s^{2} + 1} d s + \int \frac{24}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 4

Simplify the expression.

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Step 4.1

Reorder $s^{2}$ and $1$ .

$12 \int \frac{1}{1 + s^{2}} d s + \int \frac{24}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 4.2

Rewrite $1$ as $1^{2}$ .

$12 \int \frac{1}{1^{2} + s^{2}} d s + \int \frac{24}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 5

The integral of $\frac{1}{1^{2} + s^{2}}$ with respect to $s$ is $\arctan (s) + C$ .

$12 (\arctan (s) + C) + \int \frac{24}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 6

Since $24$ is constant with respect to $s$ , move $24$ out of the integral.

$12 (\arctan (s) + C) + 24 \int \frac{1}{{(s - 1)}^{3}} d s + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 7

Let $u_{1} = s - 1$ . Then $d u_{1} = d s$ . Rewrite using $u_{1}$ and $d$ $u_{1}$ .

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Step 7.1

Let $u_{1} = s - 1$ . Find $\frac{d u_{1}}{d s}$ .

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Step 7.1.1

Differentiate $s - 1$ .

$\frac{d}{d s} [s - 1]$

Step 7.1.2

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

$\frac{d}{d s} [s] + \frac{d}{d s} [- 1]$

Step 7.1.3

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

$1 + \frac{d}{d s} [- 1]$

Step 7.1.4

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

$1 + 0$

Step 7.1.5

Add $1$ and $0$ .

$1$

Step 7.2

Rewrite the problem using $u_{1}$ and $d u_{1}$ .

$12 (\arctan (s) + C) + 24 \int \frac{1}{{u_{1}}^{3}} d u_{1} + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 8

Apply basic rules of exponents.

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Step 8.1

Move ${u_{1}}^{3}$ out of the denominator by raising it to the $- 1$ power.

$12 (\arctan (s) + C) + 24 \int {({u_{1}}^{3})}^{- 1} d u_{1} + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 8.2

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

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Step 8.2.1

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

$12 (\arctan (s) + C) + 24 \int {u_{1}}^{3 \cdot - 1} d u_{1} + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 8.2.2

Multiply $3$ by $- 1$ .

$12 (\arctan (s) + C) + 24 \int {u_{1}}^{- 3} d u_{1} + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 9

By the Power Rule, the integral of ${u_{1}}^{- 3}$ with respect to $u_{1}$ is $- \frac{1}{2} {u_{1}}^{- 2}$ .

$12 (\arctan (s) + C) + 24 (- \frac{1}{2} {u_{1}}^{- 2} + C) + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 10

Simplify.

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Step 10.1

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

$12 (\arctan (s) + C) + 24 (- \frac{{u_{1}}^{- 2}}{2} + C) + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 10.2

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

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) + \int - \frac{12}{{(s - 1)}^{2}} d s$

Step 11

Since $- 1$ is constant with respect to $s$ , move $- 1$ out of the integral.

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - \int \frac{12}{{(s - 1)}^{2}} d s$

Step 12

Since $12$ is constant with respect to $s$ , move $12$ out of the integral.

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - (12 \int \frac{1}{{(s - 1)}^{2}} d s)$

Step 13

Multiply $12$ by $- 1$ .

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 \int \frac{1}{{(s - 1)}^{2}} d s$

Step 14

Let $u_{2} = s - 1$ . Then $d u_{2} = d s$ . Rewrite using $u_{2}$ and $d$ $u_{2}$ .

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Step 14.1

Let $u_{2} = s - 1$ . Find $\frac{d u_{2}}{d s}$ .

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Step 14.1.1

Differentiate $s - 1$ .

$\frac{d}{d s} [s - 1]$

Step 14.1.2

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

$\frac{d}{d s} [s] + \frac{d}{d s} [- 1]$

Step 14.1.3

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

$1 + \frac{d}{d s} [- 1]$

Step 14.1.4

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

$1 + 0$

Step 14.1.5

Add $1$ and $0$ .

$1$

Step 14.2

Rewrite the problem using $u_{2}$ and $d u_{2}$ .

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 \int \frac{1}{{u_{2}}^{2}} d u_{2}$

Step 15

Apply basic rules of exponents.

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Step 15.1

Move ${u_{2}}^{2}$ out of the denominator by raising it to the $- 1$ power.

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 \int {({u_{2}}^{2})}^{- 1} d u_{2}$

Step 15.2

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

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Step 15.2.1

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

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 \int {u_{2}}^{2 \cdot - 1} d u_{2}$

Step 15.2.2

Multiply $2$ by $- 1$ .

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 \int {u_{2}}^{- 2} d u_{2}$

Step 16

By the Power Rule, the integral of ${u_{2}}^{- 2}$ with respect to $u_{2}$ is $- {u_{2}}^{- 1}$ .

$12 (\arctan (s) + C) + 24 (- \frac{1}{2 {u_{1}}^{2}} + C) - 12 (- {u_{2}}^{- 1} + C)$

Step 17

Simplify.

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Step 17.1

Simplify.

$12 \arctan (s) - \frac{12}{{u_{1}}^{2}} - 12 (- {u_{2}}^{- 1}) + C$

Step 17.2

Multiply $- 1$ by $- 12$ .

$12 \arctan (s) - \frac{12}{{u_{1}}^{2}} + 12 {u_{2}}^{- 1} + C$

Step 18

Substitute back in for each integration substitution variable.

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Step 18.1

Replace all occurrences of $u_{1}$ with $s - 1$ .

$12 \arctan (s) - \frac{12}{{(s - 1)}^{2}} + 12 {u_{2}}^{- 1} + C$

Step 18.2

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

$12 \arctan (s) - \frac{12}{{(s - 1)}^{2}} + 12 {(s - 1)}^{- 1} + C$