\[\mathbf{a}\times (\mathbf{b}\times \mathbf{c})\] is coplanar with

1.	\[\mathbf{a}\times (\mathbf{b}\times \mathbf{c})\] is coplanar with
A.	b and c
B.	c and a
C.	a and b
D.	a, b and c
Answer» B. c and a

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\[\mathbf{a}\times (\mathbf{b}\times \mathbf{c})\] is coplanar with

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