Question: 1) Consider the vectors u = (2, 3, -5) , v = (-3, -2,6) and w = (-4, 8, 4). a) Calculate u . i

1) Consider the vectors u = (2, 3, -5) , v = (-3, -2,6) and w = (-4, 8, 4). a) Calculate u . i b) Calculate u x v c) Calculate u l i d) Determine if u, u and w are coplanar. e) Determine the angle between u and w. f) Determine the direction cosines of w

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