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A simple inequality (Posted on 2014-12-31) Difficulty: 2 of 5
x>0, y>0, x+y=1

Prove that
(1 + 1/x)(1 + 1/y) ≥ 9.

No Solution Yet Submitted by Ady TZIDON    
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  Subject Author Date
Solutionre: SolutionSteve Herman2014-12-31 15:58:47
SolutionBractals2014-12-31 13:31:00
Hints/Tipshint- the proof is easy- partial spoilerAdy TZIDON2014-12-31 11:30:47
Some Thoughtsno proof--just demonstrationCharlie2014-12-31 11:08:03
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