$\"\"$

\

The integral is $\"\"$ .

\

Use substitution method to find the integral.

\

Let $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Substitute corresponding values in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Consider $\"\"$ .

\

$\"\"$

\

Apply partial fraction decomposition.

\

$\"\"$

\

$\"\"$

\

Let $\"\"$ .

\

$\"\"$

\

Let $\"\"$ .

\

$\"\"$

\

Compare $\"\"$ terms.

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Substitute $\"\"$ in $\"\"$ .

\

$\"\"$

\

Thus, $\"\"$ , $\"\"$ , $\"\"$ and $\"\"$ .

\

Substitute corresponding values in equation (2).

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

Substitute equation (3) equation (1).

\

$\"\"$

\

Substitute $\"\"$ in above equation.

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .