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December 20, 2014

December 20, 2014

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

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 4:49pmI don't know.

What if

An = 1/x^5

and Bn = x^2

then An*Bn = 1/x^3

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