Sigma Notation: Geometric Series
View the Lesson | MATHguide homepage Updated March 6th, 2021


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Problem: Determine the first three terms, final term, and the sum of this series.
 
  11 
 Σ(1/2)(2)n - 1 =+++ ··· +=
  n=1  term 1 term 2 term 3 last term sum