# Series: Definitions and Properties problem

## Homework Statement

[PLAIN]http://img528.imageshack.us/img528/7061/37557155.jpg [Broken]

## The Attempt at a Solution

i dont understand, what can possibly wrong with this :S
I checked it so many times over and over but everything seems to be right..
i dont even have this feeling about any of those that one is might be something else.. im 99.9% sure about everything

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This: $\{ a_n \}_{n=1}^m$ is not a series (i.e. not a sum); this is a list of elements (i.e. a sequence).