\

The integral is $\"\"$ .

\

Assume $\"\"$ .

\

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

\

$\"\"$

\

Substitute the corresponding values in $\"\"$ .

\

$\"\"$

\

\

Consider $\"\"$ .

\

Integration by parts formula : $\"\"$ .

\

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

\

$\"\"$ .

\

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

\

$\"\"$

\

$\"\"$

\

Apply integral on each side.

\

$\"\"$

\

$\"\"$ .

\

Substitute the corresponding values in the integration by parts formula.

\

$\"\"$

\

Substitute above result in $\"\"$ .

\

$\"\"$

\

Replace $\"\"$ in above expression.

\

$\"\"$ .

\

\

$\"\"$ .