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4. Convert the vector (2, 3, 4) into the i and j form. Then find its magnitude of the vector. (3 marks) 5. Given vectors

4. Convert the vector (2, 3, 4) into the i and j form. Then find its magnitude of the vector. (3 marks) 5. Given vectors a = (2,5, -5) and b = 21 - 7] + 3k a) Find a + b and write the answer in the standard unit vectors i, j, k, form. b) Find 2a - 3b and write in a vector component form. (3 marks) c) Find ||a + bll

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