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Set up the integral that uses the method of disks/washers to find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified lines.

A) About the line Y=20

B) About the line y=1

I know the integral will be from (0 to 8) and it will be in terms of dx

I was thinking part A would be pi integral (17-(x^2/4 + 3))^2-17^2)

And for B I was thinking it would be pi integral(2-(x^2/4+3)^2-2^2