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Math Help - Implicit Differentiation

  1. #1
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    Implicit Differentiation

    Find the first and second derivative of x^(1/2)+y^(1/2)=1. I can't quite remember what to do..
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  2. #2
    MHF Contributor
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    Exponent Rule
    Chain Rule
    Algebra

    Done

    x^(1/2)+y^(1/2)=1

    (1/2)x^(-1/2) + (1/2)y^(-1/2) * y' = 0

    You do the algebra. I'm going to guess it's easier to start from here, before the algebra, to find the second derivative.
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