Find volume of solid generated by revolving the region bounded by the graphs of the equations about the indicated lines.
y = x^2, y = 4x-2x^2
ABOUT X-AXIS.
I set x^2 = 4x-2x^2 to find my limits of integration.
I found my limits to be [0,2].
See picture for more information.
Solid of revolution - Wikipedia, the free encyclopedia
Look at the section on cylinder method.