Raices

   1 // raices
   2 
   3 #include <iostream>
   4 #include <math.h>
   5 using namespace std;
   6 
   7 int main (){
   8   float a=0.0, b=0.0, c=0.0, x1=0.0, x2=0.0, aux=0.0;       
   9   cout <<"Ingrese los coeficientes del polinomio\n";
  10   cout <<"a ";
  11   cin >>a;
  12   cout <<"b ";
  13   cin >>b;
  14   cout <<"c ";
  15   cin >>c;
  16   aux=b*b-4*a*c;
  17   if(aux>0){
  18     x1=(-b+sqrt(aux))/(2*a);
  19     x2=(-b-sqrt(aux))/(2*a);
  20     cout <<"Las raices del polinomio son: "<<x1 <<" y " <<x2 <<"\n"; 
  21   }
  22   else if(aux==0)
  23     cout <<"la raiz del polinomio es "<< -b/(2*a)<<"\n";
  24   else{
  25     x1=sqrt(-aux)/(2*a);
  26     x2=-b/(2*a);
  27     cout <<"las raices del polinomio son "<<x2<<"+"<<x1<<"i y" <<x2 <<"-" <<x1 <<"i\n"; 
  28   }
  29   return 0;  
  30 }