# What is the #n th# term for an AP with a common difference of #-4.5?#

##### 1 Answer

Oct 30, 2016

#### Answer:

The sequence will be:

#### Explanation:

We know the general equation for nth term of an A.P.series is

where

Now for the common difference (

Simplifying gives:

The summation of all the terms will be:

In your question