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Homework Help: Summation Notation - Variable in the exponent

  1. Mar 1, 2008 #1
    [SOLVED] Summation Notation - Variable in the exponent

    1. The problem statement, all variables and given/known data
    This is an example formula.

    How do I solve a summation if something is in the form of Sum(c^i), where c is some constant?
  2. jcsd
  3. Mar 2, 2008 #2


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    Science Advisor
    Homework Helper

    Then it's geometric series. You'll want |c|<1.
  4. Mar 2, 2008 #3
    Thank-you :)
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