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The equation of the hyperbola whose dire...

The equation of the hyperbola whose directrix is `2x+y=1,` focus `(1,1)` and eccentricity `=sqrt3,` is

A

`7x ^(2) + 12xy -2y ^(2) -2x + 4y -7 =0`

B

`11x^(2)+12 xy + 2y ^(2) -10 x-4y =0`

C

`11 x ^(2) +2y ^(2) -14x -14 y +1=0`

D

`7x ^(2) + 10 xy -2y ^(2) -2x + 4y -7=0`

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The correct Answer is:
A
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