Question

Quantos termos a p. A 2,25,28,41....652 possui

Answer 1

An = A1 + (n-1).r

652 = 22 + (n-1).3

652 = 22 + 3n -3

3n = -19 + 652

3n = 633

n = $\frac{633}{3}$

n = 211