The function is
.
The volume of the curve about
-axis is
cubic units.

The radius of the curve is
.
The height of the curve is
.
Integrate with
to
.
Shell method:
.


Assume
.
Differentiate on each side with respect to
.


Substitute
and
.


Power rule of integral:
.



Substitute
.

.
The volume of the curve about
-axis is
cubic-units.
The volume of the curve about
-axis is
cubic-units.