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/ 2 marks Question 4 Given two vectors a = (1, 2, 1) and = (4, 2k+1, k): a) Determine the value of k

/ 2 marks Question 4 Given two vectors a = (1, 2, 1) and = (4, 2k+1, k): a) Determine the value of k that makes them perpendicular b) Determine the value of k that makes them collinear / 2 marks

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