The curve is
and the interval is
.
Length of the curve
on the interval
is
.
Find
.
The function is
.
Differentiate the function with respect to
.

.
Substitute
,
and
in
.



Consider
.
Partial fraction decoposition.
\
Compare
terms.

Compare constant terms.
\
.
Substitute
in equation (1).


.
Length of the curve
on
is
.