Respostas

2014-09-02T00:06:56-03:00
X^2 - 8x + 14 = 0
Bháskara
a = 1
b = - 8
c = 14
^ = b^2 - 4 .a .c
^ = (-8)^2 - 4 . 1 . 14
^ = 64 - 56
^ = 8
X' = - (-8) + 8/2
X' = 8 + 8/2
X' = 16/2
X' = 8

X" = - (-8) - 8/2
X" = 8 - 8/2
X" = 0/2
X" = 0
V = {0, 8}
1 5 1