/ -1 + x\ |(4 - 3*x) | lim |---------------| x->1+\ 1 + x /
Limit((4 - 3*x)^(-1 + x)/(1 + x), x, 1)
1/2
= 0.5
/ -1 + x\ |(4 - 3*x) | lim |---------------| x->1-\ 1 + x /
0.5