The equation of second degree \[{{x}^{2}}+2\sqrt{2}xy+2{{y}^{2}}+4x+4\sqrt{2}y+1=0\] represents a pair of straight lines. The distance between them is [MNR 1984; UPSEAT 2000]

The equation of second degree \[{{x}^{2}}+2\sqrt{2}xy+2{{y}^{2}}+4x+4\

1.	The equation of second degree \[{{x}^{2}}+2\sqrt{2}xy+2{{y}^{2}}+4x+4\sqrt{2}y+1=0\] represents a pair of straight lines. The distance between them is [MNR 1984; UPSEAT 2000]
A.	4
B.	\[4/\sqrt{3}\]
C.	2
D.	\[2\sqrt{3}\]
Answer» D. \[2\sqrt{3}\]

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The equation of second degree \[{{x}^{2}}+2\sqrt{2}xy+2{{y}^{2}}+4x+4\sqrt{2}y+1=0\] represents a pair of straight lines. The distance between them is [MNR 1984; UPSEAT 2000]

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