Question

Folosind inegalitatea dintre media geometrica si cea aritmetica, demonstrati ca:
(uitati va la poza exercitiul 13)

Answer 1

ma>mg
(1,9+2,1)/2=2
(2,8+3,2)/2=3
(3,7+4,3)/2 =4
2 >√(1,9×2,1) 
3 >√(2,8×3,2)
4 >√(3,7×4,3)
le adunam 
9>√(1,9×2,1) +√(2,8×3,2)+√(3,7×4,3)
√(1,9×2,1) +√(2,8×3,2)+√(3,7×4,3)<9