The equation of the ellipse whose focus is `(1, -1)`, directrix is the line `x-y-3=0` and eccentric
Channel: Doubtnut
Date: 2020-04-12

The equation of the ellipse whose focus is `(1, -1)`, directrix is the line `x-y-3=0` and eccentricity is `1/2`, is: (A) `7x^2 + 2xy + 7y^2 + 7 = 0` (B) `7x^2 + 2xy+7y^2 + 10x - 10y - 7 = 0` (C) `7x^2 + 2xy + 7y^2 - 10x + 10y + 7 = 0` (D) none of these