The number of vectors of unit length perpendicular to the plane of vec – McqOptions

MCQOPTIONS

1.	The number of vectors of unit length perpendicular to the plane of vectors \(\vec{a} = 2i + j + 2k\) and \(\vec{b} = j + k\) is:
A.	One
B.	Two
C.	Three
D.	infinite
Answer» C. Three

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