Question

1. The nth term of a sequence is given by 2n-1, write down the 1st eight terms.

Answer 1

1, 3, 5, 7, 9, 11, 13, 15

Explanation:

2n-1

n1 = (2×1)-1 = 2-1 = 1

n2 = (2×2)-1 = 4-1 = 3

n3 = (2×3)-1 = 6-1 =5

and so on