**TI83F*

Created by TI-Smartview CE 5.4.0.1858     * C6BACA    PYCD'06_Indice_Tlespe_Bac_SujetA_corrige.py from math import *
def f(x):
    return (25*x-32)*exp(-x)
def d():
    a=4
    b=5
    while(b-a)>0.1:
        y=f((a+b)/2)
        if y>1:
            a=(a+b)/2
        else:
            b=(a+b)/2
    return b





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