Find the equation to the circle which cuts orthogonally each of the three circles x2 + y2 + 2x + 17y + 4 = 0 x2 + y2 + 7x + 6y + 11 = 0 x2 + y2 – x +22y + 3 = 0
My Self Assessment
a) x2 + y2 – 6x – 4y = 44