$\"\"$

\

The integral is $\"\"$ .

\

Rewrite the intgral as $\"\"$ .

\

Assume $\"\"$ .

\

Apply derivative on each side.

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

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

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Replace $\"\"$ in above expression.

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .