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Thread: Another Differentiation problem

  1. August 2nd 2009, 06:12 PM #1
    dimanre
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    Another Differentiation problem

    I have the following problem

    x^2 /e^x +1

    I have (e^x+1)(2x)-(x^2)(xe^x+1) / (e^x+1)^2

    Can anyone tell me if I am on the right track..thanks
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  2. August 2nd 2009, 06:19 PM #2
    McScruffy
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    Quote Originally Posted by dimanre View Post
    I have the following problem

    x^2 /e^x +1

    I have (e^x+1)(2x)-(x^2)(xe^x+1) / (e^x+1)^2

    Can anyone tell me if I am on the right track..thanks
    Yes, but the derivative of e^x is e^x. It looks like you have it as xe^x.
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  3. August 2nd 2009, 06:21 PM #3
    dimanre
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    Thank you

    Very good..thanks for your help
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