If the sum of the slopes of the lines represented by the equation \[{{ – McqOptions

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1.	If the sum of the slopes of the lines represented by the equation \[{{x}^{2}}-2xy\tan A-{{y}^{2}}=0\]be 4, then \[\angle A=\]
A.	\[{{0}^{o}}\]
B.	\[{{45}^{o}}\]
C.	\[{{60}^{o}}\]
D.	\[{{\tan }^{-1}}(-2)\]
Answer» E.

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