/ 1 2\ lim |1 + -- + 2*x | x->-2+| 2 | \ x /
Limit(1 + x^(-2) + 2*x^2, x, -2)
37/4
= 9.25
/ 1 2\ lim |1 + -- + 2*x | x->-2-| 2 | \ x /
9.25