broll & Ch are right:
2000^.5-2 =42.72135955
42.72135955^.5-2=
4.536157858
4.536157858^.5-2 = 0.129825781
-(4.536157858)^.5-2 =
- 4.129825781
0.129825781+(- 4.129825781)=-4
only in last step neg.root was feasible
SUM=-4
-Ωβ�"-
SORRY , BAD FORMATTING
Edited on January 29, 2013, 5:08 am