Tuesday, March 16, 2021

Inequality from the French math olympiad

 I think it is from the French Olympiad, not sure.


$x, y$ are positive reals. Show that


$$ x^y + y^x \ge 1$$

3 comments:

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  2. A follow up question, show that $x^y+y^x > 1+xy$ for $x,y \in (0, 1)$

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    1. Hey just saw this! You got the math working in the comments :)

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