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Math Help - Implicit Differentiation Problem

  1. #1
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    Implicit Differentiation Problem

    Suppose and . Find when .
    = ?

    I don't even know how to begin working this problem, please help!
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  2. #2
    is up to his old tricks again! Jhevon's Avatar
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    Quote Originally Posted by Quiz0n View Post
    Suppose and . Find when .
    = ?

    I don't even know how to begin working this problem, please help!
    xy = 3

    differentiating implicitly with respect to t, we get:

    y~\frac {dx}{dt} + x~\frac {dy}{dt} = 0

    now solve for \frac {dx}{dt} and plug in all the knowns
    Last edited by Jhevon; October 9th 2007 at 01:23 PM.
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