225x^(2)+121y^(2)+510xy=0

{:("Column" A ,, "Column" B), (225x^(2) - 625 y^(2) = ,, (a) 25(x-2) (x-2)), (x^(2) - x - y - y^(2) = ,, (b) 25(3x- 5y) (3x + 5y)), (x^(2) - x - y^(2) + y = ,, (x + y) (x - y- 1)), (25x^(2) - 100 x + 100 = ,, (d) (x - y) (x + y -1)), (,,(e) (x + y) (x + y - 1)):}

For the ellipse 25x^(2) +9y^(2)-150x-90y +225 =0 the eccentricity e=

Eccentricity of the ellipse 25 x^(2)+9 y^(2)-150 x-90 y+225=0

For the ellipse 25 x ^(2) + 9y ^(2) -150x-90y + 225 =0, the eccentricity e =

If x^(2) + y^(2) -3xy = 0 and x gt y then find the value of log_(xy)(x-y) .

The equation of the axes of the ellipse 25x^(2)+9y^(2)-150x-90y+225=0 are

The equations of the directrices of the ellipse 25x^(2)+9y^(2)-150x-90y+225=0

In the ellipse 25x^(2)+9y^(2)-150x-90y+225=0

Find the centre of the ellipse 25x^(2)+9y^(2)-150x-90y+225=0 .