Two conics `(x^(2))/(a^(2))-(y^(2))/(b^(2))=1 and x^(2)=-(a)/(b)y` intersect, if

The two conics y^(2)/b^(2)-x^(2)/a^(2)=1 and y^(2)=-b/ax intersect if and only if

The radius of the circle passing through the points of intersection of ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and x^(2)-y^(2)=0 is

The radius of the circle passing through the points of intersection of ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and x^(2)-y^(2)=0 is

The angle of intersection of the curves (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and x^(2)+y^(2)=ab, is

If the curves (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and (x^(2))/(c^(2))+(y^(2))/(d^(2))=1 intersect orthogonally, then

If the curves (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and (x^(2))/(c^(2))+(y^(2))/(d^(2))=1 intersect orthogonally, then

Prove that the curve (x^(2))/(a^(2))+(y^(2))/(b^(2))=1(x^(2))/(a^(12))+(y^(2))/(b^(2))=1 intersect orthogonally if a^(2)-a^(2)=b^(2)-b^(2)

Equation of the circle passing through the intersection of ellipses (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and (x^(2))/(b^(2))+(y^(2))/(a^(2))=1 is

Equation of the circle passing through the intersection of ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 and (x^(2))/(b^(2))+(y^(2))/(a^(2))=1 is

An angle of intersection of the curves , (x^(2))/(a^(2)) + (y^(2))/(b^(2)) = 1 and x^(2) + y^(2) = ab, a gt b , is :