$\"\"$

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The integral is $\"\"$ .

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Assume $\"\"$ . \ \

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Differentiate on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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

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$\"\"$ .

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The integral is $\"\"$ .

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Find the integral using integration by parts.

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Integration by parts formula: $\"\"$ .

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Let $\"\"$ and $\"\"$ .

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Find $\"\"$ by integrating $\"\"$ .

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$\"\"$ .

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$\"\"$ .

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Differentiate on each side.

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$\"\"$ .

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Substitute $\"\"$ , $\"\"$ and $\"\"$ in integration by parts formula.

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$\"\"$

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Replace $\"\"$ in above expression.

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$\"\"$ .

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$\"\"$

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$\"\"$ .