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  • ...e [[AM-GM Inequality]], Cauchy-Schwarz forms the foundation for inequality problems in intermediate and olympiad competitions. It is particularly crucial in pr ...ion comes in handy in linear algebra problems at intermediate and olympiad problems.
    13 KB (2,048 words) - 14:28, 22 February 2024
  • Problems and solutions of the [[APMO]]. * [[1989 APMO]]
    7 KB (626 words) - 20:52, 19 August 2023
  • ...O''' problems and solutions. The first link contains the full set of test problems. The rest contain each individual problem and its solution. * [[2002 APMO Problems|Problems]]
    549 bytes (60 words) - 08:45, 30 May 2012
  • ...is a method to express [[angles]] that can be very useful in angle chasing problems where there are configuration issues. ...h>180^{\circ}</math>, taking half of a directed angle may cause unexpected problems.
    4 KB (657 words) - 19:52, 25 December 2024