Question

The nth term of an Ap is given by 3n--2The common difference of the Ap is

Answer 1

an = 3n - 2

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

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

D = a2 - a1 = 4 - 1 = 3

Therefore the common difference is 3