$\"\"$

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The integral is $\"\"$ .

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Find the integral using integration by parts.

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

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Here consider $\"\"$ and $\"\"$ .

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Consider $\"\"$ .

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Apply derivative on each side with respect to $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$ .

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Consider $\"\"$ .

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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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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$ .

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$\"\"$

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Consider the integrand as $\"\"$ .

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Graph :

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Graph the function $\"\"$ on $\"\"$ .

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$\"\"$

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Observe the graph :

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The value of the definite integral is $\"\"$ .

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$\"\"$

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$\"\"$ .