If a, b, c, d are coplanar vectors, then \[(\mathbf{a}\times \mathbf{b})\times (\mathbf{c}\times \mathbf{d})=\] [MP PET 1998]

\[|\,\mathbf{a}\,\times \,\mathbf{c}{{|}^{2}}\]

\[|\mathbf{a}\times \mathbf{d}{{|}^{2}}\]

\[|\mathbf{b}\times \mathbf{c}{{|}^{2}}\]

If a, b, c, d are coplanar vectors, then \[(\mathbf{a}\times \mathbf{b

1.	If a, b, c, d are coplanar vectors, then \[(\mathbf{a}\times \mathbf{b})\times (\mathbf{c}\times \mathbf{d})=\] [MP PET 1998]
A.	\[\|\,\mathbf{a}\,\times \,\mathbf{c}{{\|}^{2}}\]
B.	\[\|\mathbf{a}\times \mathbf{d}{{\|}^{2}}\]
C.	\[\|\mathbf{b}\times \mathbf{c}{{\|}^{2}}\]
D.	0
Answer» E.

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If a, b, c, d are coplanar vectors, then \[(\mathbf{a}\times \mathbf{b})\times (\mathbf{c}\times \mathbf{d})=\] [MP PET 1998]

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