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Homework Help: Series convergence and Cauchy criterion

  1. May 29, 2010 #1
    3. The attempt at a solution
    proof.jpg
    * forgot to state that I choose m > n > max { N_1, N_2 }.

    I'm not sure if i did it right, but seems ok to me =)

    Will appreciate your opinion...
     
  2. jcsd
  3. Jun 1, 2010 #2
    still struggling with this one...=(
     
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