/ 2 \ |38 - 3*x | lim |----------| x->0+| 2| \19 + 21*x /
Limit((38 - 3*x^2)/(19 + 21*x^2), x, 0)
2
= 2
/ 2 \ |38 - 3*x | lim |----------| x->0-| 2| \19 + 21*x /
2.0