please calculate - [(+11.1)2 + (-6.1)2 + (-5.25) 2] ½
- [(+11.1)2 + (-6.1)2 + (-5.25) 2] ½ =
- [ 11.1 - 6.1 - 5.25 ] =
- 11.1 + 6.1 + 5.25 = .25 = 1/4
Unless this is supposed to be ;
- [ (11.1)^2 + (-6.1)^2 + (-5.25)^2] ^(1/2) ≈ -13.7107