Find the equation of the circle whose centre is (1,2) and which passes through the point (4,6).

Find the equation of the circle whose centre is (h, k) and which passes through the point (p, q) .

Find the equation of the circle whose centre is (2, -3) and which pass through the point of intersection of 3x+2y=11 and 2x+3y=4 .

(i) Fid the equation of the circle passing through the origin and having the centre at (-4,-3). (ii) Find the equation of the circle passing through (-2,3) and having centre at (0,0). (iii) Find the equztion of the circle passsing through (3,4) and having the centre at (-3,4). br> (iv) Find the equation of the circle whose centre is (-1,2) and whcih passes through (5,6).

Find the equation of the circle (i) whose centre is (a,b) which passes through the origin (ii) whose centre is the point (2,3) and which passes through the intersection of the lines 3x-2y-1=0 and 4x+y-27 =0

Find thte area of a circle, whose centre is (5, -3) and which passes through the point (-7, 2).

Find the equation of the circle whose centre is at the point (4,5) and which passes through the centre of the circle x^2+y^2-6x+4y-12=0.

Obtain the equation of the circle, centre (1, 0), which passes through the point P(3, 1 (1)/(2) ). Find also the equation of the equal circle which touches the given circle externally at P.

The equation of the ellipse whose centre is at origin and which passes through the points (-3,1) and (2,-2) is

Find the equation of a circle with centre (2, 2) and passes through the point (4, 5).

Find the equation of the circle with centre (2,3) and passing through the point (2,-1).