
Re: Alternating series question
Posted:
Apr 23, 2013 4:02 AM


On Sunday, April 21, 2013 5:17:53 PM UTC7, Ray Vickson wrote: > Suppose we have an infinite series of the form sum{(1)^n * a_n} where all a_n > 0 and limit a_n = 0 as n > infinity. However, we do NOT assume the a_n are monotone decreasing in n; we just assume they > 0. Can we still say that the series is convergent?
Thanks to Mike Terry for a definitive answer.

