/ -2*x \ |-E *(-1 + x)| lim |---------------| x->0+\ 2 /
Limit(((-E^(-2*x))*(-1 + x))/2, x, 0)
1/2
= 0.5
/ -2*x \ |-E *(-1 + x)| lim |---------------| x->0-\ 2 /
0.5