A) b and c
B) c and a
C) a and b
D) a, b and c
Correct Answer: A
Solution :
\[\mathbf{b}\times \mathbf{c}\] is a vector perpendicular to \[\mathbf{b},\,\mathbf{c}.\] Therefore, \[\mathbf{a}\times (\mathbf{b}\times \mathbf{c})\] is a vector again in plane of \[\mathbf{b},\,\mathbf{c}.\]You need to login to perform this action.
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