Question

Se u = (3, −1, −2), v = (2, 4, −1) e w = (−1, 0, 1), determine:
A) (u - v) x w ;

Answer 1

u-v=(1,-5,-1)
(u-v)*w=(1,-5,-1)(-1,0,1)=(-1+0-1)=-2

ou

(u*w)-(v*w)
u*w= (-3,0,-2)
v*w=(-2,0,-1)
(u*w)-(v*w)=(-1+0-1)=-2

Answer 2

Resposta:

(u-v)xw = -2

Explicação passo-a-passo: