# How do you use the geometric sequence formula to find the nth term?

##### 1 Answer

Jan 13, 2015

A geometric sequence is always of the form

Every next term is

So starting with

......

Answer:

**Extra:**

If *increasing*

if

If *decreasing* ,

and a total sum may be calculated for an infinite sequence:

sum

**Example** :

The sequence

Here the

Total sum of this infinite sequence: