Quadratic Equation Roots

Quadratic Equation Roots


Une équation quadratique est représentée par ax2 + bx + c = 0. La formule générale pour trouver ses racines (valeurs x pour lesquelles y = 0) est:


Cette formule fournit deux racines: x1, x2. La valeur à l'intérieur de la racine carrée, b2-4ac est appelée discriminant (D). En fonction de la valeur du discriminant, une équation quadratique peut avoir:

  • deux racines réelles distinctes (D> 0);
  • une seule racine réelle (D = 0);
  • aucune racine réelle (D < 0).

Votre code doit renvoyer Iterable contenant deux valeurs: les racines x1, x2triées par ordre décroissant. S'il n'y a qu'une seule racine réelle, les deux valeurs seront identiques. S'il n'y a pas de racines réelles, le tuple Iterable doit contenir la chaîne "No real roots".

Entrée: Trois entiers (int).

Sortie: Tuple ou autre Iterable de deux entiers (int|float) ou chaîne de caractères (str).


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