1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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

    zcd

    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?
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook