[" uch of the following is the common tangent to the ellipse,"(x^(2))/(a^(2)+b^(2))+(y^(2))/(b^(2))=1" and "],[(y^(2))/(a^(2)+h^(2))=1?]

which one of the following is the common tangent to the ellipses,(x^(2))/(a^(2)+b^(2))+(y^(2))/(b^(2))=1 and (x^(2))/(a^(2))+(y^(2))/(a^(2)+b^(2))=1?

Slope of the common tangent to the ellipse (x^(2))/(a^(2)+b^(2))+(y^(2))/(b^(2))=1,(x^(2))/(a^(2))+(y^(2))/(a^(2)+b^(2))=1 is

Length of common tangents to the hyperbolas (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 and (y^(2))/(a^(2))-(x^(2))/(b^(2))=1 is

The condition that y=m x+c is a tangent to the ellipse (x^(2))/(a^(2))+(y^(2))/(b^(2)) =1 is

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

The length of common tangent to the ellipses (x^(2))/(16)+(y^(2))/(9)=1 and (x^(2))/(9)+(y^(2))/(16)=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))

The product of the perpendiculars from the foci on any tangent to the ellipse (x^(2))/(a^(2)) + (y^(2))/(b^(2)) = 1 is

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