/ 4 ___ 1 \ lim |-1 + \/ x - -----| x->1+| ___| \ \/ x /
Limit(-1 + x^(1/4) - 1/sqrt(x), x, 1)
-1
= -1
/ 4 ___ 1 \ lim |-1 + \/ x - -----| x->1-| ___| \ \/ x /
-1.0