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

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

The equation of the ellipse with focus (-1,1) directrix x-y+3=0 and eccentricity (1)/(2) is

Find the equation of the ellipse whose focus is (1,0), the directrix is x+y+1=0 and eccentricity is equal to (1)/(sqrt(2))

the equation of the ellipse whose foucs is S(1,-1) directrix the line x-y-3=0 and eccentricity 1//2 , is

Find equation of the ellipse whose focus is (1,-1), then directrix the line x-y-3=0 and eccentricity 1/2 is

The equation of an ellipse whose focus is (-1,1), directrix is x -y + 3=0 and eccentricity is 1/2, is given by

Find the equation of the ellipse whose focus is (1,-2) the directrix 3x-2y+5=0\ a n d\ eccentricity equal to 1/2.