Let the equations of two ellipses be `E_1=x^2/3+y^2/2=1 and x^2/16+y^2/b^2=1`.If the product of their eccentricities is `1/2`, then the length of the minor axis of ellipse `E_2` is

Let the equation of two ellipse be E_1:( x^(2))/( 3)+ ( y^(2))/( 2) =1 and E_2 :(x^(2))/( 16) + ( y^(2))/(b^(2)) =1 If the product of their eccentricities is 1/2 , then the length of the minor axis of E_2 is

The equation of axis of the ellipse x^2/16+y^2/9=1 is ______.

The eccentricity and length of major axis of the ellipse x^2/16+y^2/7=1 are :

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

E_1:x^2/81 +y^2/b^2=1 and E_2: x^2/b^2+y^2/49=1 two ellipses having the same eccentricity if b^2 is equal to

The given equation of the ellipse is (x^(2))/(81) + (y^(2))/(16) =1 . Find the length of the major and minor axes. Eccentricity and length of the latus rectum.

The given equation of the ellipse is (x^(2))/(81) + (y^(2))/(16) =1 . Find the length of the major and minor axes. Eccentricity and length of the latus rectum.

If x^2/(sec^2 theta) +y^2/(tan^2 theta)=1 represents an ellipse with eccentricity e and length of the major axis l then

Let e_(1) be the eccentricity of the hyperbola (x^(2))/(16)-(y^(2))/(9)=1 and e_(2) be the eccentricity of the ellipse x^(2)/a^2+(y^(2))/(b^(2))=1,a>b ,which passes through the foci of the hyperbola.If e_(1)e_(2)=1 ,then the length of the chord of the ellipse parallel to the "x" -axis and passing through (0,2) is :