Assuming that , . Using the ratio test, what can we say about the series:
It is convergent.
We cannot conclude when we use the ratio test.
We consider the series : , use the ratio test to determine the type of convergence of the series.
We cannot conclude about the nature of the series.
It is clearly divergent.
The series is fast convergent.
, 
. Using the ratio test, what can we say about the series:
, use the ratio test to determine the type of convergence of the series.