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How do I proceed with this series

  1. Dec 9, 2007 #1
    I am trying to prepare for the final and am not sure how to proceed with this. Am I just supposed to plug in and cancel terms?

    --> determine whether diver/conv. If conv, find the sum:

    summation from 1 to infinity of 15(5/6)^(n-1)
  2. jcsd
  3. Dec 9, 2007 #2

    Seems like this can also be seen as 15 * 1/(5/6) * (5/6)^n which reminds me of a geometric series...
  4. Dec 10, 2007 #3
    thank you.
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