1 ------- 6 - 2*x lim (4 - x) x->3+
Limit((4 - x)^(1/(6 - 2*x)), x, 3)
1/2 e
= 1.64872127070013
1 ------- 6 - 2*x lim (4 - x) x->3-
1.64872127070013