WBJEE 2014 Maths Solved Paper

Question : 80 of 80

Marks: +1, -0

If the circle x2+y2 + 2gx + 2fy + c = 0 cuts the three circles x2+y2 – 5 = 0, x2+y2 – 8x – 6y + 10 = 0 and x2+y2 – 4x + 2y – 2 = 0 at the extremities of their diameters, then