$\"\"$

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The integral is $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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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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If $\"\"$ then $\"\"$ .

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If $\"\"$ then $\"\"$ .

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Substitute $\"\"$ and $\"\"$ in $\"\"$ .

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$\"\"$

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Apply formula : $\"\"$ .

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$\"\"$

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$\"\"$

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$\"\"$

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$\"\"$

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Therefore, $\"\"$ .

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$\"\"$

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Graph :

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Consider the function is $\"\"$ on interval $\"\"$ .

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Graph the function $\"\"$ .

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$\"\"$

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Observe the graph :

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

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$\"\"$

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