The definite 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
.



.
Trapezoidal Simpsons Exact
\
.