Question

Dados os pontos A(2,1,3) e B(0,-1,2) e o vetor v = (1,3,-4). O valor de (B-A) - v é:

a) (-2,-2,-1)
b) (-3,-5,3)
c) (-1,1,-5)
d) (3,5,-3)

Answer 1

(0,-1,2)-(2,1,3)=>(-2,-2,-1)
(b-a)=>(-2,-2,-1)
(-2,-2,-1)-(1,3,-4)=> (-3,-5,3)

Resposta é a letra (b)

Espero ter ajudado

Answer 2

(B-A)-v

(0,-1,2)-(2,1,3)⇔(-2,-2,-1)

(-2,-2,-1)-(1,3,-4)⇔(-3,-5,3)