" 18) The eccentricity of the ellipse "8x^(2)+6y^(2)-16x+12y+13=0

The eccentricity of the ellipse x^(2)/9+y^(2)/16=1 is

The eccentricity of the ellipse 9x^(2)+ 16y^(2)= 144 is

The eccentricity of the ellipse 8 x^(2)+6 y^(2)-16 x+12 y-34=0 is

The eccentricity of the ellipse x^(2)+4y^(2)+2x+16y+13=0 is

Eccentricity of the ellipse 4x^(2)+y^(2)-8x-2y+1=0

The eccentricity of the ellipse x^(2)+4 y^(2)+8 y-2 x+1=0 Is

Find the center,foci,the length of the axes, and the eccentricity of the ellipse 2x^(2)+3y^(2)-4x-12y+13=0