The equation of the directrix of a hyperbola is `x-y+3=0.` Its focus is (-1,1) and eccentricity 3. Find the equation of the hyperbola.

The equation of one of the directrices a hyperbola is 2x+y=1, the corresponding focus is (1,2) and e=sqrt(3). Find the equation of the hyperbola and the cooordinates of the center and the second focus.

The equation of the hyperbola whose directrix is 2x+y=1, focus (1,1) and eccentricity =sqrt(3), is

Find the equation of the hyperbola whose directrix is 2x+y=1, focus (1,2) and eccentricity sqrt(3).

Find the equation of the hyperbola whose one focus is (-1, 1) , eccentricity = 3 and the equation of the corresponding directrix is x - y + 3 = 0 .

Find the equation of the hyperbola whose diretrix is 2x+y=1, focus (1, 2) and eccentricity sqrt(3) .

If the focus =(2,3)and directrix is x+y=1 then the equation of the parabola is ____.

Find the equation of the hyperbola whose : focus is (1,1) directrix is 3x+4y+8=0 and eccentricity =2

Find the equation of the hyperbola whose : focus is (2,-1) directrix is 2x+3y=1 and eccentricity =2

The equation of the hyperbola whose directrix x+2y=1 , focus (2,1) and eccentricity 2 , is