The directrix of the hyperbola `(x ^(2))/(9) - (y ^(2))/(4) =1` is

Find eccentricity, coordinates of foci and equation of directrix of the hyperbola (y^(2))/(49) - (x^(2))/(4) = 1 .

The shortest distance between the line y=x and the hyperbola (x^(2))/(9)-(y^(2))/(4)=1 is.

If one of the directic of hyperbola (x^(2))/(9)-(y^(2))/(16)=1 is x=-(9)/(5) then the corresponding of hyperbola is

The eccentricity of the hyperbola 4x^(2) -9y^(2) =36 is

if 5x+9=0 is the directrix of the hyperbola 16x^(2)-9y^(2)=144 , then its corresponding focus is

if 5x+9=0 is the directrix of the hyperbola 16x^(2)-9y^(2)=144, then its corresponding focus is

If 5x + 9 = 0 is the directrix of the hyperbola 16x^(2)-9y^(2)=144 then its corresponding focus is

The foci of the hyperbola 4x^(2)-9y^(2)-1=0 are

The foci of the hyperbola 4x^(2)-9y^(2)-1=0 are