The function is
.
Disk method: Vertical axis of revolution.
\Formula for the volume of solid using the disk method,
.
The curve equation is
.
Solve for
.

.
\
In this case
.
From the graph, integral limits are
and
.
Volume of the solid is
.



.
Therefore, the integral that gives the volume of the solid formed by revolving the region about the
-axis is
.
The integral that gives the volume of the solid formed by revolving the region about the
-axis is
.