Bachelier Messages 375 Reaction score 0 Thread starter Aug 4, 2009 #1 sum n/(n^2 + 2 sqrt(n) + 9), n=0 to infinity How do I prove it diverges?
zcd Messages 197 Reaction score 0 Aug 4, 2009 #2 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?
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?