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Thread: Volumes of Revolution Help

  1. #1
    Cadet
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    Volumes of Revolution Help

    I got this question as part of my homework:
    "Find the volume generated when the curve between and is rotated about the -axis."

    (So correct me if I'm wrong, but the equation is , right?)

    Going by the above equation, I got the answer . However, the answer is .

    What have I done wrong?

    Last edited by alussovsky; 5 Feb 2019 at 10:41 PM.

  2. #2
    Junior Member HeroWise's Avatar
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    Re: Volumes of Revolution Help

    You are right seeing the 1/2 comes from integaration of e^2x, Btw you shouldnt calculate total volume minus unnecassry always. You will be wasting time. You can go from 0.5 to 1.5

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