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The equation of the ellipse whose focus ...

The equation of the ellipse whose focus is (1,-1), directrix `x-y-3=0` and eccentricity equals `(1)/(2)` is :

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
a
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BITSAT GUIDE-CONIC SECTIONS-BITSAT ARCHIVES
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