/ _________ \ |\/ 4 + 4*x - x| lim |---------------| x->3+\ -3 + x /
Limit((sqrt(4 + 4*x) - x)/(-3 + x), x, 3)
/ _________ \ |\/ 4 + 4*x - x| lim |---------------| x->3+\ -3 + x /
oo
= 150.4997932175
/ _________ \ |\/ 4 + 4*x - x| lim |---------------| x->3-\ -3 + x /
-oo
= -151.499792874861
= -151.499792874861