" Show that the equation "(1)/(x+y-a)+(1)/(x-y+a)+(1)/(y-x+a)=0" represents a parabola."

Show that the equation y^(2) - 8y - x + 19 = 0 represents a parabola . Find its vertex, focus and directrix.

Show that the equation y^2 - 8y -x+19 = 0 represents a parabola. Find its vertex, focus and directrix.

In X-Y plane, the path defined by the equation (1)/(x^(m))+(1)/(y^(m)) +(k)/((x+y)^(n)) =0 , is a parabola if m = (1)/(2), k =- 1, n =0

In X-Y plane, the path defined by the equation (1)/(x^(m))+(1)/(y^(m)) +(k)/((x+y)^(n)) =0 , is a parabola if m=1/2,k=−1,n=0

The -equation (x-x_1)(x-x_2)+(y-y_1)(y-y_2)=0 Represents a circle whose centre is

The equation (13x -1)^(2) + (13y -1)^(2) =k (5x-12y+1)^(2) will represent a parabola, if

The equation (13x -1)^(2) + (13y -1)^(2) =k (5x-12y+1)^(2) will represent a parabola, if

Show that the equation 3x^(2)+3y^(2)+6x-4y-1=0 represents a circle Find its centre and radius.

The equation (x-x_1)(x-x_2)+(y-y_1)(y-y_2=0 Represents a circle whose centre is