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2011 USAJMO Problems: Revision history

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5 August 2023

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2 May 2011

29 April 2011

28 April 2011

  • curprev 17:0317:03, 28 April 2011 Nsato talk contribs 2,658 bytes +2,658 Created page with '=Day 1= ==Problem 1== Find, with proof, all positive integers <math>n</math> for which <math>2^n + 12^n + 2011^n</math> is a perfect square. [[2011 USAJMO Problems/Problem 1|Sol…'
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