Question: 7. Let u = [3, 2, -1], 7 = [4, -6, 3] and w = [1, -2, 2]. Let 0 be the angle between u

7. Let u = [3, 2, -1], 7 = [4, -6, 3] and w = [1, -2, 2]. Let 0 be the angle between u and v. (a) Find the dot product u . v. (b) Find the cross product u x v. (c) Find cos A and sin A. (d) Find the projection proj, 7 of the vector o on u. (e) Find the volume of the parallelepiped defined by u, 7 and w

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