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Thread: this this partial differentiation or implicit or both?

  1. December 13th 2012, 08:59 PM #1
    kingsolomonsgrave
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    this this partial differentiation or implicit or both?

    this this partial differentiation or implicit or both?-picture-20.png
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  2. December 13th 2012, 09:02 PM #2
    MarkFL
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    Re: this this partial differentiation or implicit or both?

    You need to use partial differentiation to find the critical points, and then use the second partials test for relative extrema.
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