The equation \[{{x}^{2}}+k{{y}^{2}}+4xy=0\]represents two coincident lines, if k = [MP PET 1995]

The equation \[{{x}^{2}}+k{{y}^{2}}+4xy=0\]represents two coincident l

1.	The equation \[{{x}^{2}}+k{{y}^{2}}+4xy=0\]represents two coincident lines, if k = [MP PET 1995]
A.	0
B.	1
C.	4
D.	16
Answer» D. 16

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The equation \[{{x}^{2}}+k{{y}^{2}}+4xy=0\]represents two coincident lines, if k = [MP PET 1995]

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