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The integral is $\"\"$ .

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Evaluate the integral by trig substitution method.

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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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Evaluate the integral $\"\"$ by using parts of integration.

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Formula for integration by parts : $\"\"$ .

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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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Substitute the corresponding values in $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Find $\"\"$ in terms of $\"\"$ .

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$\"\"$

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$\"\"$

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When $\"\"$ , then $\"\"$ .

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$\"\"$

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$\"\"$ .

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$\"\"$ .