# Homework Help: Infinite series

1. Apr 12, 2010

### SANGHERA.JAS

Can Gauss test be applied to second and third series. I am totally confused which test to apply on the first series.

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2. Apr 12, 2010

### Gregg

For number 3, use Cauchy's test and remember that

$$\displaystyle \lim_{n\to \infty} \left( 1+\frac{1}{n}\right )^n=e$$

It will also work nicely for the first problem

3. Apr 12, 2010

### SANGHERA.JAS

Thank you Gregg!