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Math Help - Find the volume

  1. #1
    Newbie
    Joined
    Dec 2006
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    Find the volume

    Hi to all
    I've got a trouble with one question. Could anybody help me. Appretiate it.


    The question sounds:

    Find the valume generated by the given functions of y=1+sqrt(x) and y=0 from x=1 to x=5 about the line x=-2.


    Thank you
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  2. #2
    Eater of Worlds
    galactus's Avatar
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    You can use shells.

    2{\pi}\int_{1}^{5}[(2+x)(1+\sqrt{x})]dx
    Last edited by galactus; November 24th 2008 at 06:39 AM.
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