Derivatives

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Find dy/dx for the function, xy-x-12y-3=0.

Is the answer -14,I got this from 1-1-12=0, which solves to -14.

  • Derivatives -

    ydx+xdy-dx-12dy=0
    y + x y' -12 y'=1
    y'= (1-y)/(x-12)

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