The integral is
.
Solve the integral using partial fractions.
\
\ \


.



To solve for
, let
.
This eliminates the
,
and
terms and yields



.
To solve for
, let
. This eliminates the
,
and
terms and yields


.
To solve for
, let
.





.
To solve for
, let
.






.
Substitute
,
,
and
in
.
.



Apply formulae :
and
.




.
.