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Thread: Prove

  1. September 9th 2011, 08:00 AM #1
    Punch
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    Prove

    Given that y=e^{tan^{-1}x}, show that (1+x^2)\frac{d^2y}{dx^2}+(2x-1)\frac{dy}{dx}=0
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  2. September 9th 2011, 08:06 AM #2
    Siron
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    Re: Prove

    A possibility is to calculate the first and second derivative of y and substitute them into the equation where necessary.
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  3. September 9th 2011, 08:15 AM #3
    Punch
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    Re: Prove

    I tried that, and i found a careless mistake i made. thanks
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