Find the coordinates of the centres and the radii of the cirles whose equations are:(1) `x^2 + y^2 - 4x - 8y = 41`

Find the coordinates of the centre and the radius of the circles whose equations are 4x^(2)+4y^(2)-16x-12y+21=0

Find the centre and radius of each of the circles whose equations are given below. (i) x^(2) + y^(2) - 4x - 8y -41 = 0

Find the centre and radius of each of the circles whose equations are given below. x^(2) + y^(2) + 6x + 8y - 96 =0

Find the coordinates of the centre and radius of each of the following circle: x^2+y^2+6x-8y-24=0

Find the coordinates of the centre and radius of each of the following circle: x^(2)+y^(2)+6x-8y-24=0

The coordinates of the centre and radius of the circle represented by the equation (3-2lambda)x^(2)+lambda y^(2)-4x+2y-4=0 are

The coordinates of the centre and radius of the circle represented by the equation (3-2lambda)x^(2)+lambda y^(2)-4x+2y-4=0 are

Find the coordinates of the centre, foci and equation of directrix of the hyperbola x^2-3y^2-4x=8 .

Find the centre and the radius of the circle. 2x^2+2y^2-4x+8y-4=0