Step 1:

\

The partial fraction is

\

$\"\"$

\

Find the partial decomposition is

\

$\"\"$

\

$\"\"$

\

Equate the $\"\"$ coefficients.

\

$\"\"$

\

Simplify the above equations.

\

$\"\"$

\

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

\

$\"\"$

\

Add two equations to get $\"\"$ value.

\

$\"\"$

\

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

\

$\"\"$

\

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

\

$\"\"$

\

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

\

\

$\"\"$

\

Solution:

\

$\"\"$