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Homework Help: Sum of an Infinite Series

  1. Oct 27, 2006 #1
    I got the following problem for my Calculus course:

    http://img291.imageshack.us/img291/7449/problemsw3.jpg [Broken]

    I know the answer to this is 2, but I can't seem to make any headway in this problem. Can somebody give me a hint?
    Last edited by a moderator: May 2, 2017
  2. jcsd
  3. Oct 27, 2006 #2


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    Homework Helper

    Do you know what a telescoping series is? It looks like that series is pretty close to one.
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