Create Declarar variables  suma=0;  cont=2;  i=1;  cout<<"Ingrese el valor: ";  cin>>N;  while(i<=N)  { 	 suma=suma+cont;      cont=cont+2; 	 i=i+1;  }  cout<<"La suma es: "<<suma; getch(); }Declarar variables  suma=0;  cont=2;  i=1;  cout<<"Ingrese el valor: ";  cin>>N;  while(i<=N)  { 	 suma=suma+cont;      cont=cont+2; 	 i=i+1;  }  cout<<"La suma es: "<<suma; getch(); }