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Questions  

Three vectors a,  b  and  c   satisfy  the  relation  a.b=0and  a.c=0.The  vectora  is  parallelto

a
b→
b
c→
c
b→ .c→
d
b→ ×c→

detailed solution

Correct option is D

a→.b→ = 0   i.e.,  a→  and  b→  will  be perpendicular  to  each other.a→.c→ = 0   i.e.,  a→  and  c→  will  be perpendicular  to  each other.b→ ×c→ will  be  a  vector  perpendicular  to  both  b→  and  c→So  a→  is  parallel  to  b→ ×c→

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