1) 2, 6,

1

Given 2,6,10,14,…

First term a 2, common difference d 6 2 4

So that the series in arithmetic

We find the 7th term

tn a n 1 d

t7 2 7 1 4 2 6 4 2 24 26 2

5 5

Given 15,5, , ,….

3 9

First term a…

Math

State whether the sequence is arithmetic or geometric Write the explicit and recursive formula