# -*- coding:utf-8 -*-

__projet__ = "CoursS5"
__nom_fichier__ = "6_equation"
__author__ = "A-J. Tinet"
__date__ = "avril 2023"

"""
========================================================================================================================

                                         Ex. 6 - EQUATION DU SECOND DEGRE

========================================================================================================================
"""

# Programme principal
if __name__ == '__main__':

    a, b, c = 4, 2, 4 # équation ax^2 + bx + c

    delta = b**2 - 4*a*c

    if delta > 0:

        print("Racines réelles : ", (-b - delta**0.5)/(2*a), (-b + delta**0.5)/(2*a))

    elif delta == 0:
        print("Racine double : ", -b/(2*a))

    else:
        print("Racines complexes")