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

Find the equation of the ellipse with vertices at (pm5,0) , foci at (pm4,0) and centre at (0,0).

Find the equations of the ellipse whose length of the major axis is 20 and foci are (0,pm5) .

In the following,find the equation for the ellipse that satisfies the given conditions: Length of major axis 26, foci (+-5,0)

Find the equation of the ellipse satisfying the given condition : Ends of major axis (+- 3, 0) , ends of minor axis (0, +- 2) .

In the following,find the equation for the ellipse that satisfies the given conditions: Length of minor axis 16, foci (0, +- 6)

Find the equation of the ellipse with e=3/4 , foci on y-axis, centre at the origin, and passing through the point (6, 4).

In the following,find the equation for the ellipse that satisfies the given conditions: Centre at (0,0), major axis on the y-axis and passes through the points (3, 2) and (1,6).

Find the equation of the ellipse whose axes are parallel to the coordinate axes having its centre at the point (2,-3) one focus at (3,-3) and vertex at (4,-3)dot