Question: 9. Let v = (2v2,4, 1). Find all unit vectors u such that 1 u = (0, a, b) and cos 0 = =, where

9. Let v = (2v2,4, 1). Find all unit vectors u

such that 1 u = (0, a, b) and cos 0 =

9. Let v = (2v2,4, 1). Find all unit vectors u such that 1 u = (0, a, b) and cos 0 = =, where 0 is the angle between u and V

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