$\"\"$

The integral is $\"\"$ .

Evaluate the integral by using substitution method.

Let $\"\"$ , then $\"\"$ .

Substitute corresponding values in $\"\"$ .

$\"\"$

Apply formula : $\"\"$ . $\"\"$

Substitute $\"\"$ in above equation.

$\"\"$

Thus, $\"\"$ .

$\"\"$

$\"\"$ .