If the equation \[3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0\] represents a pair of lines, then k is equal to [Karnataka CET 2002]

If the equation \[3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0\] represents a pai

1.	If the equation \[3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0\] represents a pair of lines, then k is equal to [Karnataka CET 2002]
A.	9
B.	1
C.	0
D.	- 9
Answer» E.

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If the equation \[3{{x}^{2}}+xy-{{y}^{2}}-3x+6y+k=0\] represents a pair of lines, then k is equal to [Karnataka CET 2002]

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