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Homework Help: What function correspond to this series expansion?

  1. Dec 1, 2005 #1
    Anyone knows what function correspond to this series expansion?

    [tex]
    \begin{align}
    f(x)=1+x+x^2+x^3+...
    \end{align}
    [/tex]
     
    Last edited: Dec 1, 2005
  2. jcsd
  3. Dec 1, 2005 #2

    shmoe

    User Avatar
    Science Advisor
    Homework Helper

    Look up geometric series
     
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