# Homework Help: Abs convergence

1. May 1, 2010

### nameVoid

$$\sum_{n=1}^{\infty}(-1)^n\frac{n}{5+n}$$
alt series tests fails, ratio and root fail is it safe to do a comp test with bn=1 for c=1>0 for abs convergence

Last edited: May 1, 2010
2. May 1, 2010

### nameVoid

the answer here is no since the limit of an does not aproach 0

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