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

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

The (x-x_(1))(x-x_(2))+(y-y_(1))(y-y_(2)=0 represents a circle whose centre is

the equation 3(x+y-5)^(2)+2(x-y+7)^(2)=6 represents an ellipse whose centre is

Statement-1: The equation x^(2)-y^(2)-4x-4y=0 represents a circle with centre (2, 2) passing through the origin. Statement-2: The equation x^(2)+y^(2)+4x+6y+13=0 represents a point.

Statement-1: The equation x^(2)-y^(2)-4x-4y=0 represents a circle with centre (2, 2) passing through the origin. Statement-2: The equation x^(2)+y^(2)+4x+6y+13=0 represents a point.

Show that the equation x^(2)+y^(2)+x-y=0 represents a circle find its centre and radius.

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

Show that the equation x^2+y^2-6x+8y+21=0 represents a circle.Find the centre and radius of the circle.