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Questions  

Three vectors satisfy the relation A . B = 0 and A . C = 0, then A is parallel to

a
BxC
b
B.C
c
C
d
B

detailed solution

Correct option is A

Given that, A.B  = 0 and A . C = 0So, A is perpendicular to B as well as C.Let D = B x C i.e., direction of D is perpendicular to the plane containing B and C.Therefore, A is parallel to D i.e., A is parallel to B x C.

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