A
akaban331ht


Tìm m để [tex]\large\Delta[/tex] cắt (c)
[tex]\large\Delta[/tex] : 2x-y+m = 0 ; [tex]x^2 + y^2[/tex] - 6x + 2y + 5
[tex]\large\Delta[/tex] : 2x-y+m = 0 ; [tex]x^2 + y^2[/tex] - 6x + 2y + 5