#include <iostream> #include <cmath> using namespace std; int main() { double chiffre1, racine, carre; cout << "Entrez le nombre: "; cin >> chiffre1; racine = sqrt(chiffre1); carre = chiffre1 * chiffre1; cout << " la racine carré de " << chiffre1 << "est " << racine << endl; cout << "le carré de " << chiffre1 << "est " << carre << endl; }