$\"\"$

\

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.

\

$\"\"$

\

Substiute all the corresponding values.

\

$\"\"$ .

\

From the appendix $\"\"$ :

\

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

\

Substiute $\"\"$ , $\"\"$ .

\

$\"\"$

\

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

\

$\"\"$

\

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