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Help with maclauren series.

  1. Feb 18, 2007 #1
    1. The problem statement, all variables and given/known data

    find maclauren series for: logx and arctan

    2. Relevant equations

    heres the maclauren series:
    http://img164.imageshack.us/img164/2792/untitledff7.jpg

    3. The attempt at a solution

    to solve these, do i need to keep applying the maclauren series formula like i would for sin or cos?

    in other words, taking the derivative for logx and arctan, if so, can someone start me out with the derivatives, i don't know them.

    also is e^x the same as xlog(e) ?
     
  2. jcsd
  3. Feb 18, 2007 #2

    cristo

    User Avatar
    Staff Emeritus
    Science Advisor

    Yes
    Well, what do you know. Do you not know the derivative of log(x)?

    To calculate the derivative of arctan(x), try letting y=arctan(x) noting that now x=tan(y), and then differentiating both sides wrt x.
    Erm, no, what makes you think this?
     
    Last edited: Feb 18, 2007
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