S Scythian Saka New member Aug 22, 2010 #1 Show that the line y = mx meets the curve x^2 +y^2 +2gx +2fy +c = 0 in two points if (g+fm)^2 >= c(1+m^2)
Show that the line y = mx meets the curve x^2 +y^2 +2gx +2fy +c = 0 in two points if (g+fm)^2 >= c(1+m^2)