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Homework Help: Binomially expand function of x/e!

  1. Sep 16, 2010 #1
    1. The problem statement, all variables and given/known data
    (1-e^(-x))^(-1)


    2. Relevant equations
    Binomial theorem


    3. The attempt at a solution
    1+e^(-x)+e^(-2x)...
     
  2. jcsd
  3. Sep 16, 2010 #2
    That looks right, but just add in the constraint that x>0, since e(-x)<1
     
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