Respostas

2013-10-14T17:18:44-03:00
2U + V =( 10,4,-1)
2(3,0,1) +(M,2,-1) = 10,4,-1
6,0,2,+ M,2,-1= 10,4,-1
6+M=10=> M= 10-6=> M=4
2 3 2