The Curve is
,
and
.
Length of the curve:
.
Here
and
.
.
Differentiate on each side with respect to
.

.

.
Simpson
s rule:
Let
be continuous on
let
be an even integer,
The Simpson
s Rule for approximating
is given by,

where
and
.
Here
.
Substitute corresponding values in simpsons formula.
\

Consider a table for function values corresponding
values.
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Substitute the results in the table in
.

.
Arc length of the curve is
.
By using calculator the value of
\
.
Above value is very closer to the Simpson
s approximation.
Using simpson
s rule, arc length of the curve
is
.
Using calculator, arc length of the curve
is
.