The partial fraction of decomposition rational expression is
.
Rewrite the expression into partial fraction.
\
.
Find the values of
and
.


.
.
Equate the coefficent of
and constants.
and 
and
.
Substitute
in
.



Substitute
in
.


and
.
Substitute the
and
values in equation
.

The partial decomposed function is
.
Graph :
\Graph the functions
and
.
.gif\")
Observe the graph,
\
.
The partial decomposed function is
.