Respostas

  • Usuário do Brainly
2014-05-10T17:22:46-03:00
y = 0

{(k + 1)x + y = 0
{x + ky = 2

x + ky = 2
x + k . 0 = 2
x + 0 = 2
x = 2 - 0
x = 2

(k + 1)x + y = 0
(k + 1) . 2 + 0 = 0
2k + 2 = 0
2k = 0 - 2
2k = - 2
k = - 2/2
k = - 1
1 5 1