$\"\"$

\

The integral is $\"\"$ .

\

The integral is in the form of $\"\"$ .

\

Apply formula : $\"\"$ , where $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$

\

Therefore, $\"\"$ .

\

$\"\"$

\

$\"\"$ .