Question : Three vectors A , B⃗ and C⃗ satisfy the relation A ∙ B⃗ = 0 and A∙ C⃗ = 0. If B⃗ and C are not lying in the same plane then A is parallel to
(A) B⃗
(B) C⃗
(C) B⃗× C⃗
(D) B ∙ C⃗
Answer : option (C)
Solution :
Three vectors A , B⃗ and C⃗ satisfy the relation A ∙ B⃗ = 0 and A∙ C⃗ = 0. If B⃗ and C are not lying in the same plane then A is parallel to
with
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