Distance between the foci of the ellipse `25x^(2)+16y^(2)+100x-64y-236=0` is

the distance between the foci of the ellipse 5x^(2)+9y^(2)=45, is

The foci of the ellipse 25 x ^(2) + 4y ^(2) + 100x -4y + 100 =0 are

Foci of the ellipse 16x^(2)+25y^(2)=400 are

The centre of the ellipse 9x^(2)+25y^(2)-18x-100y-160=0 is

The eccentricity of the ellipse 25x^(2) + 16y^(2) - 150 x - 175 = 0 is

The distance between the directrices of the ellipse (4x-8)^(2)+16y^(2)=(x+sqrt(3y)+10)^(2) is k,then (k)/(2) is

The foci of the conic 25x^(2) +16y^(2)-150 x=175 are :

The foci of the conic 25x^(2)+16y^(2)-150x=175 are: