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New Here. Question from power series

  1. Apr 7, 2008 #1
    1. The problem statement, all variables and given/known data

    See the attached png

    2. Relevant equations

    See the attached png

    3. The attempt at a solution

    See the attached png

    Attached Files:

  2. jcsd
  3. Apr 7, 2008 #2
    Well, it looks like you're trying to find the power series of ln(5 - x) by differentiating the series for 1/(5 - x) term by term. But ln(5 - x) is the integral of 1/(5 - x) (give or take a sign).
  4. Apr 7, 2008 #3


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    In other words integrate, don't differentiate!
  5. Apr 7, 2008 #4
    Oh. how stupid am i. God help me in my exam.
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