Experts please help in 7th 7. If the circle x2 + y2 + 2gx + 2fy + c = 0 is touched by y = x at P such that OP = 6 2 , then the value of c is (1) 36 (2) 144 (3) 72 (4) None of these Share with your friends Share 0 Shivam Ranjan Sinha answered this 0 View Full Answer