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Math Help - I need help with derivative

  1. #1
    Junior Member
    Joined
    Nov 2008
    Posts
    50

    I need help with derivative

    can someone help me please to find the derivative of the next equation :
    f(x) = -(1/x^2) * (e^(1/x)) * (x+2)
    f '(x) = ?


    thnx
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  2. #2
    Super Member
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    Jun 2009
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    if f,g and e three functions.
    (f \times g \times e)'=f'ge+fg'e+fge'.
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