Solved: Let u, v, and w be nonzero vectors in 3-space with the same initial point, but
Chapter 3, Problem 33(choose chapter or problem)
Let u, v, and w be nonzero vectors in 3-space with the same initial point, but such that no two of them are collinear. Prove that (a) u (v w) lies in the plane determined by v and w. (b) (u v) w lies in the plane determined by u and v.
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