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Homework Help: Infinite Series

  1. Jan 26, 2009 #1
    1. Find whether the following series converges or diverges or is oscillatory



    [tex]\sum1/(n^3*(sin^2 n))[/tex]
     
    Last edited: Jan 26, 2009
  2. jcsd
  3. Feb 7, 2009 #2
    \sum (1/n^3) converges
    sin^2 n is always positive!

    try to combine these two facts together
     
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