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 Rule:
.
Simpsons Rule:
.