The equation of an ellipse whose focus $(-1, 1)$, whose directrix is $x - y + 3 = 0$ and whose eccentricity is $\frac{1}{2}$, is given by
The equation of an ellipse whose focus $(-1, 1)$, whose directrix is $x - y + 3 = 0$ and whose eccentricity is $\frac{1}{2}$, is given by
- A
$7{x^2} + 2xy + 7{y^2} + 10x - 10y + 7 = 0$
- B
$7{x^2} - 2xy + 7{y^2} - 10x + 10y + 7 = 0$
- C
$7{x^2} - 2xy + 7{y^2} - 10x - 10y - 7 = 0$
- D
$7{x^2} - 2xy + 7{y^2} + 10x + 10y - 7 = 0$
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