Homework Help: calculus

Posted by sarah on Sunday, February 24, 2008 at 4:10pm.

true or false:

if the sum from n=1 to infinity of a(n) converges, and the sum from n=1 to infinity of b(n) diverges, then the series from n=1 to infinity of (a(n)*b(n)) diverges

i said this was true... is this correct?

calculus - Damon, Sunday, February 24, 2008 at 4:49pm
I don't know.
What if
An = 1/x^5
and Bn = x^2
then An*Bn = 1/x^3

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