The integral is
.
Evaluate the integral by using parts of integration.
\The formula is
.
Let 


.
.


Apply general power rule of integration
.


Substitute
,
and
in
.

Consider
.
Let
, then
.

Differentiate on each side.
\
Substitute
and
in
.

Integral formula: 

Substitute
in above expression.

.

Substitute above result in
.

.
.