$\"\"$

The integral is $\"\"$ .

Apply integration by parts : $\"\"$ .

Let $\"\"$ .

$\"\"$ .

Substitute these values in the integration by parts formula.

$\"\"$

$\"\"$ .

$\"\"$

Consider $\"\"$ .

Apply integration by parts : $\"\"$ .

Let $\"\"$ .

$\"\"$ .

Substitute these values in the integration by parts formula.

$\"\"$

Again apply integration by parts.

$\"\"$

$\"\"$ .

$\"\"$

Substitute $\"\"$ in equation (1).

$\"\"$

$\"\"$ .