Art of Problem Solving
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1982 USAMO Problems/Problem 2: Revision history

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25 March 2023

26 December 2020

5 March 2020

30 December 2019

3 July 2013

6 March 2013

  • curprev 10:3610:36, 6 March 2013 1=2 talk contribs 561 bytes +561 Created page with "== Problem == Let <math>X_r=x^r+y^r+z^r</math> with <math>x,y,z</math> real. It is known that if <math>S_1=0</math>, <math>(*) </math> <math>\frac{S_{m+n}}{m+n}=\frac{S_m}{m}..."