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The equation of the hyperbola whose foci...

The equation of the hyperbola whose foci are (- 2, 0) and (2, 0) and eccentricity is 2 is given by :

A

`x^2-3y^2=3`

B

`3x^2-y^2=3`

C

`-x^2+3y^2=3`

D

`-3x^2+y^2=3` .

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