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- a A) в)Evaluate each of the following. Assume î, ĵ, k are the unit vectors aligne with the x, y, and z axes, respectively. a. î j = d. (4î – j) · (3î + 5j – 10k) = b. k - k= c. k- î=physics homework problem that doesn’t have an example type in the book. I do not earn points for the homework in my class, the problems are just practice for my quiz.