Find the first 5 terms of the sequence:a^n=n^2-1?

Question

Find the first 5 terms of the sequence:a^n=n^2-1?

Answer 1

The letter n represents the counting numbers 1, 2, 3, 4, 5.

Plug each one in for n and solve...that will give you the term.

an=n^2-1

a(1)=(1)^2-1 = 1 - 1 = 0

a(2)=(2)^2-1 = 4 - 1 = 3

a(3)=(3)^2-1 = 9 - 1 = 8

a(4)=(4)^2-1 = 16 - 1 = 15

a(5)=(5)^2-1 = 25 - 1 = 24

0, 3, 8, 15, 24.

Hope that helps!