The curve equation is
,
.
Rotating about the line
.
Find the volume of the solid using Shell method:
\The surface area of the cylinder is
.
In this case height of the cylinder is
.
radius is
.
Volume of the solid is
.



Evaluate the value of
:







.
Evaluate the value of
:



Find the value of
.
Apply reduction formula:
.



.
Find the limits.
\
If
,
.
If
,
.



cubic units.
cubic units.