_______ / 1 + x lim x / ----- x->0+\/ 1 - x
Limit(((1 + x)/(1 - x))^(1/x), x, 0)
2 e
= 7.38905609893065
_______ / 1 + x lim x / ----- x->0-\/ 1 - x
7.38905609893065