Use the shell method to find the volume of a solid generated by revolving the region bounded by the given curves and lines about the x-axis.
x=2√y
x=-2y
y=1
So I drew a graph and then using the equation v=∫2πrh
and I got the following
v=∫(from 0 to 2) 2π(y-1)((2√y)-(-2y))
but...