public static void giaiptbac_sophuc()
{
string nhap;
var a = new So_phuc();
var b = new So_phuc();
var c = new So_phuc();
Console.Write("nhap he so a:");
nhap = Console.ReadLine();
a.chuyendoi(nhap);
Console.Write("nhap he so b:");
nhap = Console.ReadLine();
b.chuyendoi(nhap);
Console.Write("nhap he so c:");
nhap = Console.ReadLine();
c.chuyendoi(nhap);
So_phuc delta = b * b + (-4) * a * c;
delta.in_giatri();
Console.Write("\n");
delta = delta.Sqrl();
delta.in_giatri();
So_phuc x1, x2, d;
d = -b + delta;
x1 = (-b + delta) / (2 * a);
x2 = (-b - delta) / (2 * a);
Console.Write("\nx1=");
x1.in_giatri();
Console.Write("\nx2=");
x2.in_giatri();
}
public So_phuc lien_hop()
{
So_phuc c = new So_phuc();
c.thuc = this.thuc;
c.ao = -this.ao;
return(c);
}
public So_phuc nghichdao()
{
So_phuc a = new So_phuc();
a.thuc = this.thuc / (this.modun());
a.ao = -this.ao / this.modun();
return(a);
}
public So_phuc Sqrl()
{
So_phuc c = new So_phuc();
double delta = this.modun();
c.thuc = Math.Sqrt((this.thuc + delta) / 2);
c.ao = this.ao / c.thuc / 2;
return(c);
}
public static So_phuc operator /(So_phuc so_bi_chia, So_phuc so_chia)
{
So_phuc thuong = new So_phuc();
thuong = so_chia.lien_hop();
thuong = thuong * so_bi_chia;
thuong.thuc = thuong.thuc / (so_chia.thuc * so_chia.thuc + so_chia.ao * so_chia.ao);
thuong.ao = thuong.ao / (so_chia.thuc * so_chia.thuc + so_chia.ao * so_chia.ao);
return(thuong);
}
