$\"\"$

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The integral is $\"\"$ .

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Evaluate the integral by substitution.

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

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$\"\"$

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

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$\"\"$

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

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$\"\"$

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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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$\"\"$

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$\"\"$

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Solve the above integral by using partial fractions.

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Equate $\"\"$ coefficients and equate constants.

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$\"\"$

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

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$\"\"$

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$\"\"$

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

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Partial decomposition of $\"\"$ .

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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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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .