$\"\"$

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The integral is $\"\"$ .

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Factorize the denominator.

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Consider $\"\"$ .

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$\"\"$

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Partial decomposition:

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Compare $\"\"$ coefficients.

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$\"\"$ .

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Compare $\"\"$ coefficients.

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$\"\"$ .

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Compare $\"\"$ coefficients.

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$\"\"$

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$\"\"$

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$\"\"$ .

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Compare constant terms.

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$\"\"$

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Substitute $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ $\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$ $\"\"$ .

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$\"\"$

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$\"\"$ $\"\"$ .