State the two conditions that must be satisfied by the positive terms of an…

MATHEMATICS · Subjective · AP · Calculus BC · Infinite Sequences and Series · Infinite Sequences and Series

Problem

State the two conditions that must be satisfied by the positive terms

b_n

of an alternating series

\displaystyle \sum_{n=1}^{\infty}(-1)^{n-1} b_n

in order to guarantee that the series converges.