Find the equation to the ellipse whose one focus is (2, 1), the directrix is `2x-y+3=0` and the eccentricity is `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 ellipse whose : One focus is (6, 7) , directrix is x + y + 2 and eccentricity is 1/sqrt(3)

Find the equation of the ellipse whose focus is S(-1, 1), the corresponding directrix is x -y+3=0, and eccentricity is 1/2. Also find its center, the second focus, the equation of the second directrix, and the length of latus rectum.

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

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

Find the equation to the parabola whose focus is (-2,1) and directrix is 6x-3y=8 .

Find the equation of the parabola whose focus is (2, 3) and directrix is x-2y-6=0 .

Find the equation of the parabola whose: focus is (0,0) and the directrix 2x-y-1=0

Find the length of the major axis of the ellipse whose focus is (-1,1) directrix is x-y+3=0 and ecentricity is 1/2 .