The equation \[8{{x}^{2}}+8xy+2{{y}^{2}}+26x+13y+15=0\] represents a pair of straight lines. The distance between them is [UPSEAT 2001]

The equation \[8{{x}^{2}}+8xy+2{{y}^{2}}+26x+13y+15=0\] represents a p

1.	The equation \[8{{x}^{2}}+8xy+2{{y}^{2}}+26x+13y+15=0\] represents a pair of straight lines. The distance between them is [UPSEAT 2001]
A.	\[7/\sqrt{5}\]
B.	\[7/2\sqrt{5}\]
C.	\[\sqrt{7}/5\]
D.	None of these
Answer» C. \[\sqrt{7}/5\]

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The equation \[8{{x}^{2}}+8xy+2{{y}^{2}}+26x+13y+15=0\] represents a pair of straight lines. The distance between them is [UPSEAT 2001]

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