public static NGHIEM Nghiem(BAT_PHUONG_TRINH P)
{
NGHIEM kq;
kq.CanDuoi = Double.MaxValue;
kq.CanTren = Double.MinValue;
if (P.a == 0)
{
if (P.b >= 0)
{
kq.CanDuoi = Double.MinValue;
kq.CanTren = Double.MaxValue;
}
}
else
if (P.a > 0)
{
kq.CanDuoi = -P.b / P.a;
kq.CanTren = Double.MaxValue;
}
else
if (P.a < 0)
{
kq.CanDuoi = Double.MinValue;
kq.CanTren = -P.b / P.a;
}
return(kq);
}
public static String XuatChuoi(BAT_PHUONG_TRINH P)
{
String kq;
kq = XuLySoThuc.XuatChuoi(P.a) + "x + " +
XuLySoThuc.XuatChuoi(P.b) + ">=0";
return(kq);
}
