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#include<iostream>

#include<math.h>

using namespace std;

double Fx,R,Q;

double x,a,n,B,P,i;

double r,xl,xc,I,V;

double p,v,pi=3.1415,m,d;  

double PARABOLA(int a);           

double RAIZ (int x,int y);

double CORRIENTE(int x,int y ,int z,int q);

double POTENCIA(int A,int b,int c);

int opcion;

 

int main ()

{

    cout<<"+++MENU+++\n";

    cout<<"1.-FUNCION(PARABOLA):\n";

    cout<<"2.-FUNCION(PARABOLA) c/BUCLE :\n";

    cout<<"3.-RAIZ:\n";

    cout<<"4.-CORRIENTE:\n";

    cout<<"5.-CORRIENTE BUCLE UNO:\n";

    cout<<"6.-POTENCIA:\n";

    cout<<"7.-POTENCIA BUCLE:\n";   

    cout<<"ingrese una eleccion: ";

    cin>> opcion;

    switch(opcion)

          {

              case 1:

                  {

                       cout<<"PARABOLA\n";

                      Q= PARABOLA(x);

                      cout <<"para x: "<<x<<" el valor de f(x)= "<< r <<endl;

                  };break;

              case 2:

                  {

                      for(x=-6;x<=6;x++)

                      {

                      R= PARABOLA(x);

                      cout <<"para x: "<<x<<" el valor de f(x)= "<< x <<endl;

                      }

                  };break;

             case 3:

             {

                  cout<<"RAIZ\n";

                 a=2;

                 cin>>n;

                cin>>B;

               do

                 {

                     R=RAIZ(a,B);

                     cout<<R<<endl;

                     a=a++;

                 } while(a<=n);

             };break;   

                 case 4:

                  {

                    cout<<"CORRIENTE\n";

                    cout<<"Ingrese el Voltaje: "; cin>>V;

                    cout<<"Ingrese r:"; cin>>r;

                    cout<<"Ingrese xl:"; cin>>xl;

                    cout<<"Ingrese xc:"; cin>>xc;

                    I=CORRIENTE(V,r,xl,xc);

                      cout<<I<<endl;

                  };break;

                      case 5:     

                  {   

                    cout<<"Ingrese xl:"; cin>>xl;

                    cout<<"Ingrese xc:"; cin>>xc;

                    for(V=10; V<=20; V=V+10)

                       for(r=7; r<=14; r=r++)

                      {

                      I=CORRIENTE(V,r,xl,xc);

                      cout<<I<<endl;

                        }

                  };break;

                          case 6:

                  {

                    cout<<"POTENCIA\n";

                    cout<<"Ingrese el angulo:";cin>>m;

                    cout<<"Ingrese voltaje:";cin>>v;

                    cout<<"Ingrese intensidad:";cin>>i;

 

                    P=POTENCIA(v,i,m);

                      cout<<P<<endl;

                  };break;

                      case 7:       

                  {   

                    cout<<"Ingrese el angulo:  ";cin>>m;

                       for(v=4; v<=20; v=v++)

                       for(i=6; i<=60; i=i+6)

                      {

                      P=POTENCIA(v,i,m);

                      cout<<P<<endl;

                        }

                  };break;    

          }

}

 

 

double PARABOLA(int a)

   {

    Q=(2/pow(a,3))+4;

    return Q ;

   }

double RAIZ (int x,int y)

{

    Q=pow(x,2/y);

    return Q;

}

double CORRIENTE(int x,int y ,int z,int q)

{

    I=x/(sqrt(pow(y,4)+(z+q,4)));

    return I;

}

double POTENCIA(int A,int b,int c)

{

    d=(2*pi*c/360);

    P=A*b*(cos(d));

    return P;

}

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