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Math Help - implicit differentiation

  1. #1
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    implicit differentiation

    please help!
    xy+2y=x^2
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  2. #2
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    Quote Originally Posted by smguardado View Post
    please help!
    xy+2y=x^2
    xy'+y+2y'=2x

    xy'+2y'=2x-y

    y'(x+2)=2x-y

    Solve for y'
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  3. #3
    Junior Member mrmohamed's Avatar
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    Quote Originally Posted by smguardado View Post
    please help!
    xy+2y=x^2
    Hi all
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  4. #4
    MHF Contributor
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    Quote Originally Posted by smguardado View Post
    please help!
    xy+2y=x^2
    hi

    implicit differentiation is not necessary , you can make y the subject then use the quotient rule like what mr mohamed did .
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