/ 2 1 \ lim |x + --------- - 2*x| x->1+| 2 | \ -4 + 4*x /
Limit(x^2 + 1/(-4 + 4*x^2) - 2*x, x, 1)
/ 2 1 \ lim |x + --------- - 2*x| x->1+| 2 | \ -4 + 4*x /
oo
= 17.8127501283526
/ 2 1 \ lim |x + --------- - 2*x| x->1-| 2 | \ -4 + 4*x /
-oo
= -19.9376637834705
= -19.9376637834705