1. Given a= [-1,0, 1] and b = [-4, 2, 4], find | -3a + b)....

 

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1. Given a= [-1,0, 1] and b = [-4, 2, 4], find | -3a + b). 2. Find the scalar projection of a = [-5, 2, -1] onto b=[-1,1,4]. (3 marks) (3 marks) 3. Given a = 2i +2j-k and b=3i + 2k, find a vector that has the opposite direction as a but has the same length as the vector b. (4 marks) 1. Given a= [-1,0, 1] and b = [-4, 2, 4], find | -3a + b). 2. Find the scalar projection of a = [-5, 2, -1] onto b=[-1,1,4]. (3 marks) (3 marks) 3. Given a = 2i +2j-k and b=3i + 2k, find a vector that has the opposite direction as a but has the same length as the vector b. (4 marks)

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