The definite integral is
,
.
Let
.
Where
.
Width 
Substitute
and
.
.
Find the function values.
\
.
.
.
.
.
Substitute
and
in
.
.
.
.
.
.Trapezoidal rule:

Substitute
,
,
,
, and
. 


.
Simpsons rule:
\
. 
Substitute
,
,
,
, and
.


.
Verify the integral value by using graph:
\Graph the function:
on
and
. .
Trapezoidal Simpsons Graphical
.