- #1
bonfire09
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Homework Statement
I have to sketch a vertical or horizontal strip and state an expression for the volume of the shell formed by its rotation. Do not solve
y=x^2+1 x=0
y=1 x=1
around y=-1
Homework Equations
The Attempt at a Solution
I'm really lost because I don't know how to get started. I think dy works but I can't get it right. Any help will be great thanks.