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