$\"\"$

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The integral is $\"\"$ .

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$\"\"$ .

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Let $\"\"$ .

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Differentiate with respect to $\"\"$ .

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$\"\"$

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Substitute corresponding values in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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Consider $\"\"$ .

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Apply partial fraction decomposition.

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$\"\"$

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$\"\"$

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Compare $\"\"$ coeffecients.

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$\"\"$

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Compare constants.

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$\"\"$ .

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If $\"\"$ , then $\"\"$ .

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$\"\"$

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Substitute $\"\"$ and $\"\"$ in equation (2).

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$\"\"$ .

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Substitute equation (3) in equation (1).

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$\"\"$

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$\"\"$

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

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$\"\"$

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

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$\"\"$ .