/1 - log(x)\ lim |----------| x->E+\ x /
Limit((1 - log(x))/x, x, E)
0
= 1.95647031552306e-17
/1 - log(x)\ lim |----------| x->E-\ x /
= 1.95647031552307e-17
1.95647031552306e-17