The integral is
.

.
(a) Solve the integral using substitution method.
\Consider
,
Apply derivative on each side with respect to
.



Substitute
and
in
.


The power rule of integral :
.

Substitute
.

.
.
Substitute
.

Consider
,
Apply derivative on each side with respect to
.



Substitute
and
in
.


The power rule of integral :
.

Substitute
.

.
(b)
\Graph :
\Graph the integrals
and
.

(c)
\The function is
.
Substitute
.
.
Since
.




.
Therefore, the result is differ only by constant.
\(a)
and
.
(b) Graph :
\
(c) The result is differ only by constant.