B Brain0991 New member Joined Jun 3, 2010 Messages 17 Jul 27, 2010 #1 Use a comparison test to test the convergence or divergence. from n=1 to infinity 1/[sqrt(n^2 + 9)] I just cannot figure out what to compare this to. All I am asking is what do I need to compare it to, I can take it from there.
Use a comparison test to test the convergence or divergence. from n=1 to infinity 1/[sqrt(n^2 + 9)] I just cannot figure out what to compare this to. All I am asking is what do I need to compare it to, I can take it from there.
B BigGlenntheHeavy Senior Member Joined Mar 8, 2009 Messages 1,577 Jul 27, 2010 #2 \(\displaystyle Use \ limit \ comparsion \ test \ with \ b_n \ = \ \frac{1}{n}.\)
