1.

The equation of a plane passing through the point with position vector ‘a’ and perpendicular to ‘b’ is

A. \(\rm \bar r.\left( {\bar a \times \bar b} \right) = 0\)
B. \(\rm \bar r.\left( {\overline {\bar a} \times \bar b} \right)\)
C. \(\rm \bar r.\left( {\bar b \times \bar a} \right)\)
D. \(\rm \left( {\bar r - \bar a} \right).\bar b = 0\)
Answer» E.


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