$\"\"$

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The integral is $\"\"$ .

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Simplify the integral is

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$\"\"$

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$\"\"$

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$\"\"$

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Integration by parts : $\"\"$ .

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

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

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$\"\"$ .

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$\"\"$

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Integrate on each side.

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$\"\"$

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$\"\"$ .

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Substitute $\"\"$ and $\"\"$ in the integration by parts 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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$\"\"$ .