The rational expression is
.
.
The partial fraction decomposition is
.
Multiply with
on both sides.
.
.
Substitute
.



.
.
Substitute
.
.

Substitute
.
.


.
substitute
in 


Substitute
and
.



.
Substitute
,
and
in equation
.

.
Partial fraction decomposition is
.
\
Partial fraction decomposition is
.