Question

na sequencia (3,6,9,12,15,18,21,24,27)

an=15 qual o valor de n

Answer 1

Na sequencia (3,6,9,12,15,18,21,24,27)an=15 qual o valor de n


3 + (n-1).3 = 15
     3n = 15-3+3
      3n = 15
       n = 5