Calc 2 region bounded questions hw help?

4) Let R be the region bounded by y=4-x^2 and the x -axis where 0 < x < 2 a) Use the method of disks to find the volume of the solid obtained by rotating R about the y-axis. b) Use the method of cylindrical shells to find the volume of the solid obtained by rotating R about the y-axis.
Answers

rotchm

First, finish your previous problem/discussion in https://ca.answers.yahoo.com/question/index?qid=20190203210756AAb6ZcC Thats how you learn: by working out a problem, not by asking many questions in the hopes people will just give you the answers.