Question: Please explain 3. Submit answer Get help Practice similar A If a = (-1, 4, 2) and b = (-1, 0, 1), then a .

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3. Submit answer Get help Practice similar A If a = (-1, 4, 2) and b = (-1, 0, 1), then a . b = Is the angle between the vectors "acute", "obtuse" or "right"? Submit answer Next item

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