Find all unit vectors in the plane determined by u = (3,0,1) and v = (1,-1,1) that are perpendicular to the vector w = (1,2,0).

]]>Find all unit vectors in the plane determined by u=(3,0,1) and v=(1,-1,1) that are perpendicular to the vector w=(1,2,0).

My friend thought you have to use the cross product of vectors at some point.

Much Appreciated

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