The value of k so that the equation \[2{{x}^{2}}+5xy+3{{y}^{2}}+6x+7y+k=0\] represents a pair of straight lines, is [Kurukshetra CEE 2002]

The value of k so that the equation \[2{{x}^{2}}+5xy+3{{y}^{2}}+6x+7y+

1.	The value of k so that the equation \[2{{x}^{2}}+5xy+3{{y}^{2}}+6x+7y+k=0\] represents a pair of straight lines, is [Kurukshetra CEE 2002]
A.	4
B.	6
C.	0
D.	8
Answer» B. 6

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The value of k so that the equation \[2{{x}^{2}}+5xy+3{{y}^{2}}+6x+7y+k=0\] represents a pair of straight lines, is [Kurukshetra CEE 2002]

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