Question

i find myself using the ratio test ALOT to figure out if the series is converging or diverging...are there any situations where this wouldn't work??

Answer 1

yes, when the L = 1, then there's no conclusion and it wouldn't work .

Answer 2

oo rite..thanks

Answer 3

then you'll have to use other methods, such as AST, Comparison test, limit comparison test and so on

Answer 4

np :

Answer 5

i agree. xang 2nay!