# How do you write the first five terms of the geometric sequence #a_1=81, a_(k+1)=1/3a_k# and determine the common ratio and write the nth term of the sequence as a function of n?

##### 1 Answer

Mar 27, 2017

First five terms are

#### Explanation:

In a geometric series common ratio

we have

AS given first term as

=

first five terms are

i.e.