1.

Which of the following is a true statement [Kurukshetra CEE 1996]

A.             \[(\mathbf{a}\times \mathbf{b})\times \mathbf{c}\] is coplanar with c         
B.             \[(\mathbf{a}\times \mathbf{b})\times \mathbf{c}\] is perpendicular to a
C.             \[(\mathbf{a}\times \mathbf{b})\times \mathbf{c}\] is perpendicular to b
D.             \[(\mathbf{a}\times \mathbf{b})\times \mathbf{c}\] is perpendicular to c
Answer» E.


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