Answer: The value of vector u is (2,2,2)
Explanation:
Step 1: To solve the problem, we use the equation
u = AB
u = (b1 -a1, b2-a2, b3-a3)
u = (b1 -a1, b2-a2, b3-a3)
u = (-4 - (-6), 6-4, -2-(-4))
u = (-4+6.2,-2+4)
u = (2, 2, 2)
The value of vector u is (2,2,2)