The distance between the foci of a hyperbola is double the distance between its vertices and the length of its conjugate axis is 6. The equation of the hyperbola referred to its axes as axes of co-ordinates is

The distance between the foci of a hyperbola is double the distance

1.	The distance between the foci of a hyperbola is double the distance between its vertices and the length of its conjugate axis is 6. The equation of the hyperbola referred to its axes as axes of co-ordinates is
A.	\[3{{x}^{2}}-{{y}^{2}}=3\]
B.	\[{{x}^{2}}-3{{y}^{2}}=3\]
C.	\[3{{x}^{2}}-{{y}^{2}}=9\]
D.	\[{{x}^{2}}-3{{y}^{2}}=9\]
Answer» D. \[{{x}^{2}}-3{{y}^{2}}=9\]

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The distance between the foci of a hyperbola is double the distance between its vertices and the length of its conjugate axis is 6. The equation of the hyperbola referred to its axes as axes of co-ordinates is

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