Home
Book
Learn
Library
Practice
Contact
Log In
USAMO
1991
Problem - 3543
Let $a = \frac{m^{m+1} + n^{n+1}}{m^m + n^n}$, where $m$ and $n$ are positive integers. Prove that $a^m + a^n \geq m^m + n^n$.
report an error