Q1/A/ Let u=5i –j+k, v=j-5k, w =-15i+3j-3k. Which vectors, if any, are a) Perpendicular? b) Parallel? Give reasons for your answers and verify your solution by sketch the graph.

Q: c) x = x1 – x2, x, = 5x1 – 3x2 %3D

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A: Vector addition

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A: if a vector is of the form  a→=a1,a2  then a→=a12+a22 see  below the answer

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Q: (0, 0), (4, 1), (5, 3) (0, 0), (-5,-5), (0, -10) (0, 0), (1, 0), (5, 5) (0, 0), (12, 3), (15,9) (0,…

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