Respostas

  • Ind
  • Ambicioso
2014-02-17T14:59:14-03:00
PG  : ( -4,..., A4) Q = 3
An = A_{1}. Q^{n-1}
 A_{4} = - 4 .  3^{4-1}
 A_{4} = -4. 3^{3}
 A_{4} = -4 . 27
A_{4} = - 108