For \[a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0\] to represent a circle, one must have

For \[a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0\] to represent a circle, on

1.	For \[a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0\] to represent a circle, one must have
A.	\[a=3,\ h=0\]
B.	\[a=1,\ h=0\]
C.	\[a=h=3\]
D.	\[a=h=0\]
Answer» B. \[a=1,\ h=0\]

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For \[a{{x}^{2}}+2hxy+3{{y}^{2}}+4x+8y-6=0\] to represent a circle, one must have

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