(a)
\The definite integral is ,
.
Let .
Error in Trapezoidal rule:
\If has a continuous second derivative on
, then the error approximating the integral
by Trapezoidal Rule is
,
.
The function .
First derivative is .
Second derivative is .
The second derivative is continuous on the interval .
The maximum value of on the interval
is
.
Approximate error in trapezoidal rule:
\
Substitute and
.
.
Error in Trapezoidal Rule is .
(b)
\The definite integral is ,
.
Error in Simpsons Rule:
\If has a continuous fourth derivative on
, then the error approximating the integral
by Simpsons Rule is
,
.
The function .
First derivative is .
Second derivative is .
Third derivative is .
Fourth derivative is .
The fourth derivative is continuous on the interval .
The maximum value of on the interval
is
.
Approximate error in Simpsons rule:
\
Substitute ,
and
.
.
Error in Simpsons rule is .
(a) Error in Trapezoidal rule is .
(b) Error in Simpsons rule is .