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Homework Help: Basic series

  1. Nov 6, 2008 #1
    1. The problem statement, all variables and given/known data
    what is [tex]\sum[/tex] i1/3 from i=1 to n

    2. Relevant equations

    3. The attempt at a solution
    is there an expansion for this?
  2. jcsd
  3. Nov 6, 2008 #2


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    Homework Helper
    Gold Member

    As long as [itex]n[/itex] is finite, the series will converge, but there is no closed form for this summation as terms get successively larger.

    (unless the 'i' inside your sum is actually supposed to be [itex]\sqrt{-1}[/itex] rather than an iterator)
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