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Homework Help: Sum of reciprocal of squares <Logic>

  1. Nov 22, 2009 #1
    1. The problem statement, all variables and given/known data

    I think my proof is lousy and may be wrong.
    Please help me with it (=
    Thanks in advance

    2. Relevant equations

    My proof is of below.


    3. The attempt at a solution

    Attached Files:

  2. jcsd
  3. Nov 22, 2009 #2


    Staff: Mentor

    What are you trying to prove? The image link above seems to be broken.
  4. Nov 22, 2009 #3
    thanks mark! i've manage to proof it (+
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