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The focus of an ellipse is (-1, -1) and ...

The focus of an ellipse is (-1, -1) and the corresponding directrix is `x - y + 3 = 0`. If the eccentricity of the ellipse is 1/2, then the coordinates of the centre of the ellipse, are

A

`5x^(2)+2xy+5y^(2)+10-10y+5=0`

B

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

C

`3x^(2)+2xy+3y^(2)+5x-5y+5=0`

D

`9x^(2)+2xy+9y^(2)+15x-10y+10=0`

Text Solution

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The correct Answer is:
B
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