convergent or divergent? a<sub>n</sub>= ((-3)^n)/n!
J jellybean New member Joined Feb 9, 2006 Messages 10 Mar 31, 2006 #1 convergent or divergent? a<sub>n</sub>= ((-3)^n)/n!
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 Mar 31, 2006 #2 That guy is just screaming for a Ratio Test.
