(adsbygoogle = window.adsbygoogle || []).push({}); Is it ok to do this with the ratio test for series??/

I had the series from 1 to infinity of:

n(-3)^(n)/(2^(n-1))

by applying the root test, i got:

lim as n-->infinity [ 3(n+1)/2n] , so put the 3/2 outside and let the (n+1)/n be n/n --> which means the limit would yield 3/2...

does anyone know if this is how I am supposed to do this?

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# Homework Help: Is it ok to do this with the ratio test for series?/

**Physics Forums | Science Articles, Homework Help, Discussion**