Question

Considerando os vetores u ⃗ = (2, -3), v ⃗ = (-1, 5) e w ⃗ = (-3, 4), determine, 3/2 v ⃗+2w ⃗-u ⃗.

Answer 1

u= (2,-3)   v = (-1,5)    w = (-3,4)

3/2v = (-3/2,15/2)   2w = (-6,8)

3/2v+2w-u = (-3/2,15/2)+(-6,8)-(2,-3) = (-19/2,37/2)