1 ---- 2 5*x / 2\ lim \1 - x / x->0+
Limit((1 - x^2)^(1/(5*x^2)), x, 0)
-1/5 e
= 0.818730753077982
1 ---- 2 5*x / 2\ lim \1 - x / x->0-
0.818730753077982