canonicalformdiscriminant.py

Created by iphinis

Created on February 23, 2024

672 Bytes

EN : Can calculate the discriminant of a canonical form in Python FR : Permet de calculer le discriminant d’une forme canonique en Python

from math import *

print("Solve ax^2+bx+c=0")

a = float(input("a="))
b = float(input("b="))
c = float(input("c="))

if a == 0:
  if b == 0:
    if c == 0:
      print("Useless equation")
    else:
      print("Incorrect equation")
  else:
    print("x=-c/b")
else:
  delta = b*b -4*a*c
  
  print("delta", delta)
  
  if delta == 0:
    print("1 real solution:")
    print("x0 = -b/2a=", -b/(2*a))

  elif delta > 0:
    print("2 real solutions:")
    print("x1 = (-b-sqrt(delta))/(2*a) \n   =",(-b-sqrt(delta))/(2*a))
    print("x2 = (-b+sqrt(delta))/(2*a) \n   =",(-b+sqrt(delta))/(2*a))

  else:
    print("There is no real solution")