Find the equation of a circle passing through (1,1),(2,-1) and (3,2)

Solve the following:Find the equation of circle passing through points (1,1),(3,1),(2,2).

Find the equation of circle passing through the points (1,-2) and (3,-4) and touches the X-axis.

Find the equation of the circle passing through (2,-1) having the centre at (2,3) .

Find the equation of the circle passing through (1,2) and which is concentric with the circle x^2+y^2+11x-5y+3=0.

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

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

Find the equation(s) of circle passing through the points (1,1),(2,2) and whose radius is 1 unit

Find the equation of circle passing through the point (2,1), (1,2) and (8,9) .

Find the equation of circle passing through the point (2,1), (1,2) and (8,9).