$\"\"$

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The integral is $\"\"$ .

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$\"\"$

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Use integration by parts formula : $\"\"$ .

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Let $\"\"$ , then $\"\"$ .

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Let $\"\"$ , then $\"\"$ .

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Substitute corresponding values in integral.

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$\"\"$

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$\"\"$

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

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$\"\"$

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$\"\"$ .

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$\"\"$

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$\"\"$ .