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Q3. a = 41 - 1 j+ 1 k and b = - 11 + 3 j- 3 k a) Represent the vectors a and

Q3. a = 41 - 1 j+ 1 k and b = - 11 + 3 j- 3 k a) Represent the vectors a and b using a 3D rectangular box. b) Find vector (a + b) and vector (a - b) as algebraic vectors. c) Find the magnitude of the vector - 2a + 3b algebraically

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