Question: 3. If A(l, -9, 2) and BO, a) IAB I 6, 4) are two points in R3, determine the following: [3 marks] e coordinates

3. If A(l, -9, 2) and BO, a) IAB I 6, 4)

3. If A(l, -9, 2) and BO, a) IAB I 6, 4) are two points in R3, determine the following: [3 marks] e coordinates of the unit vector in the opposite direction of AB . [1 mark] b)

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