Alternating series

English

Noun

1. Template:Lb An infinite series in the form of $\sum _{n=0}^{\mathrm{\infty }}(-1{)}^n{a}_n$ or $\sum _{n=0}^{\mathrm{\infty }}(-1{)}^{n+1}{a}_n$, where $a_n>0$ for all $n$.