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Can you find two sets of vectors (2 red and 2 blue) in the xyxy-plane for...

Can you find two sets of vectors (2 red and 2 blue) in the xyxy-plane for which the cross product of one pair is in the positive zz-direction and the cross product of the other is in the negative zz-direction, but the angle between each pair of vectors is the same? (Give an example or explain why this is not possible).

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