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Math Help - A question about a differential

  1. #1
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    A question about a differential

    When Y = t^3 – 3t, and X = t^2 + t
    What is differential d^2y/dx^2= ?
    Last edited by javad1983; February 9th 2010 at 07:55 AM.
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  2. #2
    MHF Contributor Calculus26's Avatar
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    dy/dx = (dy/dt)/(dx/dt) = (3t^2 -3)/(2t+1)


    d^2 (y)/dx^2 = d(dy/dx)/dx = [d(dy/dx)/dt] / [dx/dt]

    I'll let you finish
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