Step 1:
\The curve is
,
.
Definition of the surface area:
\If the curve
,
is rotating about
-axis, then the area of the resulting surface area is given by,
.
Here
and
.
Consider
.
Differentiate with respect to
on each side.

Substitute
,
and limits of
in surface area formula.

Solution:
\Surface area of the curve
is
.