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23-05-2023
Mathematics

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1. Let a = 4i+j+ 8k and b =i+2j+2k. Find (2 marks) (a) â; (b) a x b; (3 marks) (c) the angle (in degrees) between a and b; (2 marks) (d) a vector of length 8 units parallel to a; (1 mark) (e) a vecto

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