Question

If n is a term of the sequence 2, 5, 8, 11, ..., which expression would give the value of n?

Answer 1

The answer is 3n-1

Explanation:

It goes Common difference times term then subtraction

Answer 2

nth term =a+(n-1)d
=2+(n-1)3
=2+3n-3
=3n-1 (Ans)
a=first term
d=common difference