" The eccentricity of the ellipse "ax^(2)+by^(2)+2fx+2gy+c=0" ,if the major axis of the ellipse is parallel to "x" -axis,is "

The eccentricity of the ellipse ax ^(2) + by ^(2) + 2 fx + 2gy + c =0 if axis of ellipse parallel to x -

The eccentricity of ellipse ax^2 + by^2 + 2fx + 2gy + c = 0 if its axis is parallel to x-axis is

The eccentricity of ellipse ax^2 + by^2 + 2gx + 2fy + c = 0 if its axis is parallel to x-axis is

The eccentricity of ellipse ax^2 + by^2 + 2gx + 2fy + c = 0 if its axis is parallel to x-axis is

If the eccentricity of the ellipse is (2)/(3) , then the ratio of the major axis to minor axis is

Find the eccentricity of the ellipse of which the major axis is double the minor axis.

The eccentricity of the ellipse whose major axis is double the minor axis is

The length of the major axis of the ellipse 2x^(2)+y^(2)-8x-2y+1=0 is

The eccentricity of an ellipse is (1)/(2) , focus is S (0,0) and the major axis and directrix intersect at Z (-1,-1) . Find the coordinates of the centre of the ellipse .