In: Math
a. Find the volume of the solid obtained by rotating the region enclosed by the curves y = 4 x^2 , y = 5 − x^2 about the line y = 11
b. Find the volume of the solid obtained by rotating the region enclosed by the graphs about the given axis.
y = 2sqt (x), y=x, about x=-20.
Please leave your answer in fraction if
possble