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  1. Oct 18, 2004 #1
    The terms of this series are reciprocals of positive integers whose only prime factors are 2s and 3s:


    Show that this series converges and find its sum.

    this is my first time writing here. i hope someone can help me with this question.
  2. jcsd
  3. Oct 18, 2004 #2
    Try working with (1+1/2+1/4+1/8.......)(1+1/3+1/9+1/27+++++++) See if that covers the sum above...
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