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Math Help - Help with showing equations

  1. February 29th 2008, 07:07 AM #1
    oli212
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    Help with showing equations

    Thanks!
    Last edited by oli212; March 2nd 2008 at 04:26 PM.
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  2. February 29th 2008, 08:18 AM #2
    galactus
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    The volume is V={\pi}r^{2}h

    Since h=2-2r, we can sub it in the volume formula:

    V={\pi}r^{2}(2-2r)=2{\pi}r^{2}-2{\pi}r^{3}

    Now maximize.
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  3. March 2nd 2008, 01:42 AM #3
    oli212
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    Re: Updated!!!!!!!

    Thanks very much for your help, i understand now!
    Last edited by oli212; March 2nd 2008 at 04:27 PM.
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