Find the centre and radius of the circle `x^2+y^2-10x+4y+1=0`

Find the centre and the radius of the circle x^2+y^2+8x+10y-8=0

Find the centre and radius of the circle x^(2) + y^(2) + 8x + 10y - 8 = 0

Find the centre and radius of the circle x^(2)+y^(2)-4x-8y-45=0 ?

In each the following find the centre and radius of circles. x^(2)+y^(2)-8x+10y-12=0 .

Find the centre and radius of the circle : X^(2)+y^(2)-8x+10y-12 =0 ?

Find the centre and radius of the circle 2x^(2)+2y^(2)=3x-5y+7

In each the following find the centre and radius of circles. 2x^(2)+2y^(2)-x=0 .

In each the following find the centre and radius of circles. x^(2)+y^(2)-4x-8y-45=0 .

The co-ordinates of the centre and the radius of the circle x^(2) + y^(2) + 4 x- 6y - 36 = 0 , are , respectively given by

Find the centre and radius of the sphere 2x^2+2y^2+2z^2-2x-4y+2z+3=0 .