Se u ⃗ = (2,-1,0) e v ⃗ = (-3,1,4) então o vetor w ⃗= 2 u ⃗ + v ⃗ será:
a) w ⃗ = (7, -3, 4)
b) w ⃗ = (7, -3, -4)
c) w ⃗ = (-1, 0, 4)
d) w ⃗ = (1, -1, 4)
a) w ⃗ = (7, -3, 4)
b) w ⃗ = (7, -3, -4)
c) w ⃗ = (-1, 0, 4)
d) w ⃗ = (1, -1, 4)
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Verified answer
w ⃗= 2 u ⃗ + v
w= 2(2,-1,0) + (-3,1,4) =
w= (4,-2,0) + (-3,1,4)
w= (4-3, - 2+1, 0+4)
w= (1 , - 1 , 4)
letra D