2024 IMO Problems/Problem 2: Difference between revisions
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<cmath>\gcd (a^n+b,b^n+a)=g</cmath> | <cmath>\gcd (a^n+b,b^n+a)=g</cmath> | ||
holds for all integer <math>n\ge N</math>. | holds for all integer <math>n\ge N</math>. | ||
==Video Solution（Fermat's little theorem，In English）== | |||
https://youtu.be/QTBcTtY46HI | |||
==Video Solution（Fermat's little theorem，In Chinese）== | ==Video Solution（Fermat's little theorem，In Chinese）== | ||
https://youtu.be/8WOff2j0giY | https://youtu.be/8WOff2j0giY | ||
Revision as of 17:22, 10 August 2024
Find all positive integer pairs 
such that there exists positive integer 
![\[\gcd (a^n+b,b^n+a)=g\]](http://latex.artofproblemsolving.com/1/f/4/1f4ed3e8276279d224eb603b60082fa40dd2e0af.png)
holds for all integer 
.
Video Solution（Fermat's little theorem，In English）
Video Solution（Fermat's little theorem，In Chinese）
Video Solution
https://www.youtube.com/watch?v=VXFG1t_ksfI (including motivation to derive solution)
See Also
| 2024 IMO (Problems) • Resources | ||
| Preceded by Problem 1 |
1 • 2 • 3 • 4 • 5 • 6 | Followed by Problem 3 |
| All IMO Problems and Solutions | ||
