Homework Help: Calculus

Posted by Raaki on Thursday, October 20, 2011 at 5:31pm.

If a_n>0 and a_(n+1) <= a_n, does the alternating series ∑ ((-1)^(n+1)) a_n converge or diverge?

Calculus - Steve, Friday, October 21, 2011 at 10:08am
a quick web search will reveal that the alternating series converges.

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