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Compute sum of a power series

  1. May 3, 2012 #1
    1. The problem statement, all variables and given/known data
    Explicitly compute the function g defined by:
    g(x) = [itex]\Sigma[/itex]n2x2n from n=1 to infinity


    I was thinking something along the lines of differentiating[itex]\Sigma[/itex] x2n twice
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. May 3, 2012 #2

    micromass

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    Yes. So what do you get??
     
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