question_answer

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