Find the volume generated by revolving the area bounded by x=y^2 and x=4 about the line y=2. Is it the integral from 0 to 4 of pi(4-(2-sqrt x)^2)? Sorry I don't know how to use latex yet.
Follow Math Help Forum on Facebook and Google+
washer method ...
For shells, see if you get the same solution.
Originally Posted by skeeter washer method ... yeah i forgot that the graph is not bounded by y=0 and -sqrt(x) needs to be considered as well. Thanks for your help. appreciate it. And yeah I get the same answer with the shell method - 128pi/3
Last edited by elitespart; November 19th 2008 at 05:23 PM.
View Tag Cloud