Step 1:

The integral is $\"\"$

Rewrite the integral as $\"\"$

Consider $\"\"$

Assume $\"\"$

Differentiate with respect to $\"\"$ .

$\"\"$

Substitute $\"\"$ in the integral.

$\"\"$

Replace $\"\"$ with $\"\"$ .

$\"\"$

Step 2:

Consider $\"\"$ .

$\"\"$

Recall the integral formula: $\"\"$

Find the integral using above formula.

$\"\"$

Substitute the results of equation(2) and equation(3) in equation(1).

$\"\"$

solution:

$\"\"$