Consider the solid obtained by rotating the region bounded by the given curves about the line x = 1.

Question

y = x, y = 0, x = 4, x = 6

Find the volume V of this solid

Answer 1

Volume= INT (Int radius of rotation*dArea)
= 2PI INT (x-1)(y)dx=2PI INT (x-1)x dx limits frm 1 to 6
Sorry for the other post.