First, I can't tell the difference between the two. Both seem to indicate a region bounded by two or three certain functions or points.
I was wondering if anyone could give a step by step explanation of how to do
1. Volumes by Cylindrical Shells
2. Volumes by Disks and Washers
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The solution is attached below in two files. the files are identical in content, only differ in ...
The solution demonstrates three methods of evaluateing volume of a revolution of a function.