For which of the following series does the limit of the general term equal

MATHEMATICS · Single correct · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

0

, making the divergence test inconclusive? (a)

\displaystyle \sum_{n=1}^{\infty}\frac{n}{n+2}

(b)

\displaystyle \sum_{n=1}^{\infty}\frac{\ln n}{n}

(c)

\displaystyle \sum_{n=1}^{\infty}\frac{3^{n}}{2^{n}}

(d)

\displaystyle \sum_{n=1}^{\infty}\frac{1+(-1)^n}{2}