VectorMedium
Question
If = 
(1, 1 − 1), = 
(1, − 1, 1), then a unit vector 
which is perpendicular to 
and coplanar with 
and 
is given by-
(1, 1 − 1), = (1, − 1, 1), then a unit vector which is perpendicular to and coplanar with and is given by-Options
A.(1/√3) (− 1, 1, 1)
B.(1/√6) ( 2, 1,−1)
C.(1/√6) ( 2,−1, 1)
D.None of these
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