Question

For the sequence tn=n^2-2n,find the third term

Answer 1

tn=n^2-2n

n =3

t3 = 3^2 -2(3)

t3 = 9-6

t3 = 3

Answer 2

t₃ = 3

Explanation:

To find the third term substitute n = 3 into the formula, that is

t₃ = 3² - 2(3) = 9 - 6 = 3