- #1

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## Homework Statement

Find all real numbers x ≠ −1 such that the series

Ʃ

_{n=1}

^{∞}(1/n) . [(x-1)/(x+1)]

^{n}

converges..

## Homework Equations

## The Attempt at a Solution

I really do not know where to start here. I assume you could first prove it converges sing a test but i'm really not sure.

Regards