Respostas

2014-06-30T15:06:43-03:00
...18, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61)
Corrigindo: 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62)
  • Usuário do Brainly
2014-06-30T15:15:12-03:00
An (termo geral) = ?
a₁ (1° termo) = 6
n (número de termos) = 15
r (razão) = 10 - 6 = 4

an = a₁ + (n - 1) . r
an = 6 + (15 - 1) . 4
an = 6 + 14 . 4
an = 6 + 56
an = 62