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Let u, v, w be vectors in R. Which of the following statements are True? (u x v) ? (u+v) u.v x w = u

Let u, v, w be vectors in R³. Which of the following statements are True? (u x v) ? (u+v) u.v x w = u x v . w lf u?v and v?w, then u?w If u?w and v?w, then (u+v)?w

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