$\"\"$

The integral is $\"\"$ .

Rewrite the denominator of the integrand $\"\"$ completing the squares.

$\"\"$

Add and subtract $\"\"$ on each side of the equation.

$\"\"$

The integral is $\"\"$ .

Consider $\"\"$ and $\"\"$ .

$\"\"$ .

Apply derivative on each side.

$\"\"$

Substitute all the corresponding values.

$\"\"$ .

From the appendix $\"\"$ :

Formula $\"\"$ : $\"\"$ .

Substitute $\"\"$ , $\"\"$ .

$\"\"$

$\"\"$ $\"\"$ .

$\"\"$

$\"\"$ $\"\"$ .