# Volume of solid of revolution

Find the volume of the solid generated by rotating the region bounded by $y=3x^2$,  y=3, $y=0$, $x=1$, and $x=2$ about $x-$axis.

Answers can be viewed only if
1. The questioner was satisfied and accepted the answer, or
2. The answer was disputed, but the judge evaluated it as 100% correct.