Question

Find an expression for the nth term (tn) in each of the following sequence: 2, 4, 6, 8, 10, ... PLEASE FAST

Answer 1

2n

Explanation:

2 x 1 = 2

2 x 2 = 4

.......

2 x 5 = 10

Find the difference between the terms. e.g 4 - 2 = 2, then times it by n for the expression