/ 2 \ | 2*x | lim |1 - --------| x->-1+| 2| \ (1 + x) /
Limit(1 - 2*x^2/(1 + x)^2, x, -1)
-oo
= -44999.0
/ 2 \ | 2*x | lim |1 - --------| x->-1-| 2| \ (1 + x) /
= -46207.0
-44999.0