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What functino has this Taylor Expansion?

  1. May 17, 2012 #1
    Something came up while I was trying to solve a problem.

    This is a Taylor Expansion of a function:

    What's the function associated with it?
  2. jcsd
  3. May 17, 2012 #2
    -ln(1-x) I guess.
  4. May 17, 2012 #3
    Correct. Thanks.
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