The integral is
.
Use substitution method to find the integral.
\Let
.


Substitute corresponding values in
.

Consider
.
Partial fraction decomposition.
\
Compare
terms.


Compare constant terms.
\
Substitute
in the above equation.



Substtitute
and
in equation (2).

Substitute eqation (3) in eqution (1).
\

Substitute
in the above equation.

.
.