How do you find the next two terms of the geometric sequence 5/2, 5/3, 10/9, ...?

1 Answer
Nov 9, 2016

20/27, 40/81

Explanation:

In a GP the next term is obtained by multiplying by r, the common ratio,

Find r rarr r = T_3/T_2 = T_2/T_1

r = 5/3 div 5/2 = 5/3 xx 2/5 = 2/3

Check: 5/3 xx 2/3 = 10/9

T_4 = 10/9 xx 2/3 = 20/27

T_5 = 20/27 xx2/3 = 40/81