partie3_ex74.py

Created by cahier-indice-algo-1gen

Created on April 22, 2022

222 Bytes

def zero_de_df(n):
    a = 0
    b = 1
    for k in range(n):
        x = (a + b) / 2
        if 4 * x**3 - 24 * x**2 + 44 * x - 21 < 0:
            a = x
        else:
            b = x
    return a, b