/ 2\ |1 + 4*x | lim |--------| x->3+| 2| \7 - 2*x /
Limit((1 + 4*x^2)/(7 - 2*x^2), x, 3)
= -37/11
/ 2\ |1 + 4*x | lim |--------| x->3+| 2| \7 - 2*x /
-37 ---- 11
= -3.36363636363636
/ 2\ |1 + 4*x | lim |--------| x->3-| 2| \7 - 2*x /
-37 ---- 11
= -3.36363636363636
= -3.36363636363636