the pair of straight lines ax2+2hxy+ay2+2gx+2fy+c=0 meet the co ordinate axis in concyclic points then the center of the circle passing through those points is?
the pair of straight lines ax2+2hxy+ay2+2gx+2fy+c=0 meet the co ordinate axis in concyclic points then the center of the circle passing through those points is?