The equation \[2{{x}^{2}}+4xy-k{{y}^{2}}+4x+2y-1=0\] represents a pair – McqOptions

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1.	The equation \[2{{x}^{2}}+4xy-k{{y}^{2}}+4x+2y-1=0\] represents a pair of lines.The value of k is [Karnataka CET 2001]
A.	\[-\frac{5}{3}\]
B.	\[\frac{5}{3}\]
C.	\[\frac{1}{3}\]
D.	\[-\frac{1}{3}\]
Answer» B. \[\frac{5}{3}\]

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