An ellipse has foci at F1(9, 20) and F2(49, 55) in the xy-plane and is tangent to the x-axis. Find the length of its major axis.

An ellipse has foci at F_1(9, 20) and F_2(49,55) in the xy-plane and is tangent to the x-axis. Find the length of its major axis.

An ellipse has foci at F_1(9, 20) and F_2(49,55) in the xy-plane and is tangent to the x-axis. Find the length of its major axis.

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]=_____

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]=_____

Consider the ellipse x^2/25+y^2/9=1 . Find the coordinate of the foci, the length of the major axis, the length of the minor axis,latus rectum and eccentricity.

The major axis of an ellipse is y=x and one vertex is at origin, then find other axis of the ellipse , if length of major axis be 10.

The major axis of an ellipse is y=x and one vertex is at origin, then find other axis of the ellipse , if length of major axis be 10.

An ellipse has OB, as semi minor axis, F and F' its foci and the angle FBF' is a right angle. Then the eccentricity of the ellipse is :

An ellipse has OB as a semi-minor axis, F and F' are its two foci and the angle FBF' is a right angle. Find the eccentricity of the ellipse.