Find the equation of the ellipse with focus at (1,-1) e=`2/3` and directrix as `x+y+2=0`.

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

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

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

Find the equation of the ellipse with focus at (1, -1), directrix x = 0, and e=sqrt(2)/2 ,

Find the equation of the ellipse whose focus is (5,6), equation of directrix x+y+2=0 and eccentricity is (1)/(2) .

Find the equation of the ellipse with focus at (0, 0), eccentricity is 5/6 , and directrix is 3x+4y-1=0 .

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))

Find the equation of the parabola having focus at (-1,-2) and directrix is x-2y+3=0 .