The integral is
,
.
Consider
.
In this case
.
Width 
Substitute
and
.
.
.
Find the function values.
\
.
.
.
.
.
Substitute
and
values in
.
.
.
.
.
.
Trapezoidal rule:
\
.
Substitute
,
,
,
and
.


.
Simpsons rule:
\
.

Substitute
,
,
,
and
.


.
The integral is
.
Let 
Apply derivative on each side with respect to
.


.
Substitute
and
in
.


Substitute
.
.
Trapezoidal Simpsons Exact
.