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Here is a link to the question:Volume of a solid of revolution about x=3?

What is the volume of the solid of revolution bounded by

y=(x^3)-(x^5)

y=0

x=0

x=1

I have been using the shell method and I keep getting a negative answer which is obviously incorrect. (I keep getting 2pi(-14183/140). I'm trying to get the integral set up to use the washer method but I am having a very hard time integrating with respect to y instead of x. For example, I don't know how to express y=x^3-x^5 in terms of y. Help?

Volume of a solid of revolution about x=3? - Yahoo! Answers

I have posted a link there to this topic so the OP can find my response.