$\"\"$

The function is $\"\"$ .

Rewrite the function.

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Consider $\"\"$ .

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

$\"\"$

Change the limits :

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

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

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Integral formula : $\"\"$ .

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$\"\"$ .

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$\"\"$ .