Find the equation of the hyperbola whose directrix is `2x+y=1,` focu`s(1,2)` and eccentricity `sqrt(3)dot`

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

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

Find the equation of the hyperbola whose focus is (1,2), directrix 2x +y = 1 and eccentricity sqrt3.

Find the equation of the hyperbola whose focus is (1,1) directrix 2x + 2y =1, and eccentricity sqrt2.

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

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

Find the equation of the hyperbola whose : focus is (2,2) directrix is x+y=9 and eccentricity =2.

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 (0,3) directrix is x+y-1=0\ and eccentricity =2.

Find the equation of the hyperbola whose : focus (a ,0) , directrix is 2x-y+a=0\ and eccentricity \ =4/3\