Рет қаралды 13
Show that the equation x^2 + y^2 - 2x - 2ay - 8 = 0 represents for different values of 'a' a system of circles passing through two fixed points A and B on the x-axis, and also find the equation of that circle of the system the tangent to which at A and B meet on the line x + 2y + 5 = 0