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S asked in Science & MathematicsMathematics · 5 years ago

Need Math help?

find dy/dx using implicit differentiation

1) x^3 + y^3 = 18xy

2) x^2 = x-y / x+y

I don't know how to do this so could you please show steps

2 Answers

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  • ted s
    Lv 7
    5 years ago
    Favorite Answer

    3 x² + 3 y² [ dy/dx ] = 18 { y + x [dy/dx] }....solve

    2x = { [ 1 - ( dy/dx ) ] [ x + y ] - [ x - y ] [(1 + (dy/dx) ] } / { x + y }².....again solve

  • JOS J
    Lv 7
    5 years ago

    1) dy/dx = (x^2 - 6 y )/(6 x - y^2)

    2) dy/dx = ((x^2) - 2 x^3 + y )/((1 - x) x)

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