- #1

lionely

- 576

- 2

## Homework Statement

An arithmetic series consists of 2n terms. Which are the two middle terms of the series? If the first term is

*a*and the last term is

**b**, find the middle terms and the sum of the series.

## Homework Equations

## The Attempt at a Solution

I'm having problems finding out which terms are the middle terms. For a previous question all I did was find the average of the 1st and last term, but how would I know which term it is, I would know the value though. Please give me some guidance.