53.6k views
5 votes
An arithmetic sequence is defined by the recursive formula t1 = 9, tn = tn - 1 - 4, where n ∈N and n > 1. The sequence is

User Gooseman
by
7.6k points

1 Answer

2 votes
t2 = t1 - 4 = 9 - 4 = 5
t3 = 5 - 4 = 1
The common difference = -4 so:-

The sequence is 9, 5, 1, -3, -7 ....
User Gargaroff
by
7.1k points