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Math Help - Finding the derivative

  1. #1
    Junior Member
    Joined
    Sep 2008
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    37

    Finding the derivative

    What would the derivative of this be using the rules (or not using the rules doesn't matter)?

    4
    ___

    square root of(1 - x)

    Any help would be appreciated.
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  2. #2
    Newbie
    Joined
    Jul 2008
    Posts
    21
    \frac{4}{\sqrt{1-x}}


    Use the quotient rule.
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  3. #3
    Junior Member
    Joined
    Sep 2008
    Posts
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    We didn't learn it yet in class, that's why I was kind of hoping for an answer. The answer I got was:

    4
    ___________
    x^2 - 2x + 1

    But it seems pretty wrong.
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