Please help me with this!!!
Determine if the following series converge or diverge.
a) the sum from n=1 to infinity of [n/3n+1]^2n
b) the sum from n=2 to infinity of [1/(n(ln)^1/2)]
I don't know what test to use with this series (comparison, ratio, integral etc)?
thank you for your help(Nod)