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Math Help - Differentiation problem

  1. #1
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    Differentiation problem

    If x^2 + y^2 = 2y , find dy/dx in terms of x and y without first finding y in terms of x.
    The prove (d^2 y/dx^2) = 1/[(1-y)^3]
    I'm confused as to what happens when you differentiate y^2 and 2y : is it - y^2 dy/dx and 2y dy/dx?
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  2. #2
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    Read this, all will be clear..

    Visual Calculus - Implicit Differentiation
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  3. #3
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    Yep,got it now. Thank you
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