For any two vectors a and b, \[{{(\mathbf{a}\times \mathbf{b})}^{2}}\] is equal to [Roorkee 1975, 79, 81, 85]

\[{{a}^{2}}{{b}^{2}}-{{(\mathbf{a}\,.\,\mathbf{b})}^{2}}\]

For any two vectors a and b, \[{{(\mathbf{a}\times \mathbf{b})}^{2}}\]

1.	For any two vectors a and b, \[{{(\mathbf{a}\times \mathbf{b})}^{2}}\] is equal to [Roorkee 1975, 79, 81, 85]
A.	\[{{a}^{2}}-{{b}^{2}}\]
B.	\[{{a}^{2}}+{{b}^{2}}\]
C.	\[{{a}^{2}}{{b}^{2}}-{{(\mathbf{a}\,.\,\mathbf{b})}^{2}}\]
D.	None of these
Answer» D. None of these

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For any two vectors a and b, \[{{(\mathbf{a}\times \mathbf{b})}^{2}}\] is equal to [Roorkee 1975, 79, 81, 85]

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