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Math Help - SUPER easy derivative please help

  1. #1
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    SUPER easy derivative please help

    Haven't done any derivatives in a long time, trying to work on a different subject involving calculus but can't remember this

    I am embarrassed to even ask this...

    The answer is telling me that the derivative with respect to t of 1/(1+it) is i/(1+it).

    For some reason I feel that it should be -i/[(1+it)^2]. I don't know where my old calc book is. Can somebody refresh my memory?
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  2. #2
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    Quote Originally Posted by babbagandu View Post
    The answer is telling me that the derivative with respect to t of 1/(1+it) is i/(1+it).

    For some reason I feel that it should be -i/[(1+it)^2]?
    That is correct.
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