JEE Main 20249 Apr, Evening shiftMathematicsMediumCoordinate Geometry478× since 2002
Let the foci of a hyperbola coincide with the foci of the ellipse and the eccentricity of the hyperbola be the reciprocal of the eccentricity of the ellipse . If the length of the transverse axis of is and the length of its conjugate axis is , then is equal to