reso_deux_deg.py

Created on June 09, 2024

645 Bytes

Résolution axcarre+bx+c. On donne a,b,c le programme renvoie: Si Delta posi, x1 et x2 Si Delta nul, x1 Si Delta negatif, pas de solution réelle

# Resolution equation 2nd degre
from math import *
print("ax^2+bx+c")
a=float(input('coefficient a: '))
b=float(input('coefficient b: '))
c=float(input('coefficient c: '))
delta=b**2-4*a*c
print("delta=",delta)
if delta>0:
  print("delta=b^2-4ac>0")
  x1=(-b+sqrt(delta))/(2*a)
  x2=(-b-sqrt(delta))/(2*a)
  print("Les deux racines sont:")
  print("x1=(-b+rac(delta))/2a")
  print("x1=",x1)
  print("x2=(-b-rac(delta))/2a")
  print("x2=",x2)
if delta==0:
  print("delta=b^2-4ac")
  x0=-b/(2*a)
  print("La racine double est:")
  print("x0=-b/2a=",x0)
if delta<0:
  print("delta=b^2-4ac<0")
  print("Pas de solution réelle")