Question

The common ratio in a geometric sequence is 3/2, and the fifth term is 1 ,find the first third terms?

Answer 1

See below

Explanation:

`a_1=a_5(r)^(1-5)`

`a_1=1(3/2)^(-4)`

`a_1= 16/81`

`a_2= 16/81*3/2= 8/27`

`a_3= 8/27*3/2= 4/9`