- #1
asmani
- 105
- 0
Suppose that x1,x2,x3,x4 are four positive real numbers such that x1x2x3x4=1.
Show that x13+x23+x33+x43 ≥ x1+x2+x3+x4.
How to solve this? (Not a homework!)
Any hint is appreciated.
Show that x13+x23+x33+x43 ≥ x1+x2+x3+x4.
How to solve this? (Not a homework!)
Any hint is appreciated.