Find the centre, eccentricity and foci of the hyperbola, `9x^2 - 16y^2 - 18x - 64y-199 = 0`

Find the centre, eccentricity, foci and directrices of the hyperbola : 9x^2-16y^2+ 18x +32y-151 = 0 .

The centre of the hyperbola 9x^2-16y^2-18x+64y-199=0 is

Find the foci of the hyperbola 9x^(2) - 16y^(2) + 72 x - 32 y - 16 = 0

Find the eccentricity, centre, foci and vertices of the hyperbola 9x^(2)-16y^(2)-18x-64y-199=0 .

Find the centre, eccentrcity, foci and directrices of the hyperboal : 9x^(2) - 16y^(2) + 18x + 32y - 151 = 0 .

The eccentricity of the hyperbola 9x^(2) -16y^(2) =144 is

The eccentricity of the hyperbola 9x^(2) -16y^(2) =144 is