(a)
\The definite integral is .
Let .
The first derivative is .
The second derivative is .
The maximum value of on the interval
is
.
Approximate error in Trapezoidal rule .
Substitute and
.
Obtain an error that is less than
, choose
such that
.
.
The value of in Trapezoidal rule is
.
(b)
\The function is .
The first derivative is .
The second derivative is .
The third derivative is .
The fourth derivative is .
The maximum value of on the interval
is
.
Approximate error in Simpsons rule .
Substitute and
.
Obtain an error that is less than
, choose
such that
.
In Simpsons Rule must be even number, so round up to the next even integer.
The value of in Simpsons rule is
.
(a) The value of in Trapezoidal rule is
.
(b) The value of in Simpsons rule is
.