$\"\"$

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The integral is $\"\"$ .

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$\"\"$

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Write the integrand into partial fractions.

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$\"\"$

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Consider $\"\"$ .

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Solve to find $\"\"$ and $\"\"$ .

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$\"\"$

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Equate the $\"\"$ -coefficients.

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$\"\"$

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$\"\"$

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Equate constants.

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$\"\"$

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ in $\"\"$ .

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$\"\"$

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in the equation $\"\"$ .

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$\"\"$

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$\"\"$

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Integral formula : $\"\"$ .

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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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$\"\"$ .