Question: Please answer this question 6. (1 point) Evaluate the following vector products. (a) (1 point) z . (x xy) (b) (1 extra credit point) A

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6. (1 point) Evaluate the following vector products. (a) (1 point) z . (x xy) (b) (1 extra credit point) A . [A x (B x C)] (Hint: You don't need to do any explicit calculation to evaluate this quantity). Here, x, y and z are unit vectors in the x, y, and z directions, respectively

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