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

If x+y=2 is a tangent to the ellipse foci are (2,3)&(3,5) is A) length of minor axis is 6 B) length of minor axis is 3 C) length of major axis is (sqrt(41))/(2) D) eccentricity of ellipse is (sqrt(5))/(sqrt(41))

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 TandT ' ,then the circle whose diameter is 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).

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