Question

 sejam u= (2,-4,6),v=(-3,12,-4)e w=(6,3,-1) determine o vetor de x tal que 
 x=3u+2w

Answer 1

u= (2,-4,6),v=(-3,12,-4)e w=(6,3,-1) 
 x=3u+2w
x = 3(2,-4,6) +2 (6,3,-1)
x = (6,-12,18) + (12,6, -2)
x = (18, -6, 16)

Só ñ entendi por que vc postou o vetor v...