y-axis is a tangent to one ellipse with foci (2,0) and (6,4) if the length of the major axis is then [x]=_____

If (0, 3+sqrt5) is a point on the ellipse whose foci and (2, 3) and (-2, 3) , then the length of the semi - major axis is

The equation of ellipse whose foci are (pm 3, 0) and length of semi-major axis is 4 is

Equation of the ellipse whose foci are (2,2) and (4,2) and the major axis is of length 10, is

Prove that if any tangent to the ellipse is cut by the tangents at the endpoints of the major axis at Ta n dT ' , then the circle whose diameter is T T ' will pass through the foci of the ellipse.

Find the equation of the ellipse with centre at the origin, the length of the major axis 12 and one focus at (4, 0).

If the length of the major axis of an ellipse with the equation 5x^(2)+24y^(2)=40 is j and the length of the minor axis of the ellipse is n, then what is the value of j + n ?

The equation of tangent to the ellipse 2x^(2)+3y^(2)=6 which make an angle 30^(@) with the major axis is

Find the equation of the ellipse, whose length of the major axis is 20 and foci are (0,+-5) .

The equation of the ellipse having foci (1,0),(0,-1) and minor axis of length 1 is ……

The equation of the ellipse, the co-ordinates of whose foci a re (pmsqrt(3), 0) and length of the semi-major axis as 2 is