Mathematics (AS & A Level) · May / June 2016 · Paper 12 · Question 3
9709
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Relative to an origin O, the position vectors of points A and B are given by −−→ OA = 2i −5j −2k and −−→ OB = 4i −4j + 2k. The point C is such that −−→ AB = −−→ BC. Find the unit vector in the direction of −−→ OC. [4]
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