# -*- coding: utf-8 -*-
"""
Created on Sat Nov 13 09:29:27 2021
@author: Machi
"""
import sympy as sp
x = sp.symbols('x')
def f(x):
return x**3 - x
def df_value(
# -*- coding: utf-8 -*-
"""
Created on Sat Nov 13 09:29:27 2021
@author: Machi
"""
import sympy as sp
x = sp.symbols('x')
def f(x):
return x**3 - x
def df_value(