The eccentricity of the ellipse `5x^(2)+9y^(2)=1` is

The eccentricity of the ellipse 5 x^(2)+9 y^(2)=1 is

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

The eccentricity of the ellipse 4x^(2)+9y^(2)=36 is (1)/(2sqrt(3)) b.(1)/(sqrt(3)) c.(sqrt(5))/(3) d.(sqrt(5))/(6)

The eccentricity of the ellipse 9x^(2)+4y^(2)=36 is

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

The eccentricity of the ellipse 4x^2 + 9y^2 = 36 is :

The eccentricity of the ellipse (x^2)/25+(y^2)/9=1 is ,