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

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

the equation of the ellipse whose foucs is S(1,-1) directrix the line 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))

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 focus is (1,-1) the directrix the line x-y-3=0 and eccentricity (1)/(2) is

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