If a circle passes through the points (0,0) (a,0) and (0,b), then center of the circle is

If a circle passes through the point (0,0),(a ,0)a n d(0, b) , then find its center.

A plane passes through the points (2, 0, 0) (0, 3, 0) and (0, 0, 4). The equation of plane is …………..

Find the equation of circle passing through the points : (0, 0), (2, 0) and (0, 4) .Also find its centre and radius.

A circle S passes through the point (0, 1) and is orthogonal to the circles (x -1)^2 + y^2 = 16 and x^2 + y^2 = 1 . Then (A) radius of S is 8 (B) radius of S is 7 (C) center of S is (-7,1) (D) center of S is (-8,1)

Find the equation ofthe circle passing through the points (2,3) and (-1,1) and whose centre is on the line x-3y- 11 =0 .

Find the equation of circle passing through the points : (0, 0), (5,0) and (3, 3). Also find its centre and radius.

Find the equation of circle passing through the points : (1, 0), (-1, 0) and (0, 1). Also find its centre and radius.

Find the equation of circle passing through the points : (0, 2), (3, 0) and (3, 2) .Also find its centre and radius.

The equation of the circle passing through the point (1, 1) and through the points of intersection of the circles : x^2+ y^2=6 and x^2+ y^2-6y+8=0 is :