Find the coordinates of the foci  and the centre of the hyperbola `((3x-4y-12)^2/100)-((4x+3y-12)^2/225)=1`

The centre of the hyperbola 2xy+3x+4y+1=0 is

The eccentricity of the hyperbola 3x^(2)-4y^(2)=-12 is

Find the axes,eccentricity,lsatus rectum and the coordinates fo the foci of the hyperbola 25x^(2)-36y^(2)=225

Find the centre,eccentricity,foci and directrices of the hyperbola: x^(2)-y^(2)+4x=0

Find the centre,eccentricity,foci and directrices of the hyperbola: x^(2)-3y^(2)-2x=8

Find the coordinates of the centre and the radius of the circles whose equations are 4x^(2)+4y^(2)-16x-12y+21=0

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

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