Respostas

2013-06-14T02:21:06-03:00

-1 3 1| -1 3

1 -1 1| 1 -1

2 m 1|  2 m

 

-1 +6 +m +2 +m -3= O  

-4 +8 +2m= 0

2m= +4 -8 

m= -4/2 = -2

2 3 2