the equation of a diameter conjugate to a diameter `y=(b)/(a)x` of the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` is

Equation auxiliary circle of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 (a

Equation of major axis of the ellipse ((x-h)^(2))/(a^(2))+((y-k)^(2))/(b^(2))=1 (a

Equations of the directrices of the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(a>b) are

Equation of the directrices of the ellipse ((x-h)^(2))/(a^(2))+((y-k)^(2))/(b^(1))=1 (a>b)

The locus of the point of intersection of tangents at the end-points of conjugate diameters of the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 , is

The equation to the circle on S^(')S as diameter where S and S^(') are the foci of an ellipse x^(2)//a^(2)+y^(2)//b^(2)=1 is

Find the equations of tangent and normal to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 at (x_(1),y_(1))

If CP and CD are semi-conjugate diameters of the ellipse x^(2)/a^(2) + y^(2)/b^(2) = 1 , then CP^(2) + CD^(2) =