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Homework Help: How do I calculate this

  1. Aug 4, 2009 #1
    sum n/(n^2 + 2 sqrt(n) + 9), n=0 to infinity

    How do I prove it diverges?
  2. jcsd
  3. Aug 4, 2009 #2


    User Avatar

    Try using the Limit Comparison Test with the harmonic series. Whenever you get a rational function, LCT is a good way to start. And wrong section?
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