?

AP® Calculus AB-BC

Free Version

Upgrade subject to access all content

Moderate

Convergence Of Three Functions

APCALC-OZGUXN

Which of the following are convergent?

I. $\sum _{ n=1 }^{ \infty }{ \cfrac { e^{ n } }{ n } } $
II. $ \sum _{ n=1 }^{ \infty }{ \cfrac { n }{ e^{ n } } } $
III. $\sum _{ n=1 }^{ \infty }{ \cfrac { 1 }{ ne^{ n } } } $

A

I and II.

B

I and III.

C

II and III.

D

III only.