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Combinations

  • Titu Andreescu
  • Zuming Feng

Abstract

We often deal with problems requiring us to count the number of combinations; that is, sets of unordered objects.

Keywords

Equilateral Triangle Neighboring Pair Birch Tree Clockwise Order Forward Position 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Titu Andreescu
    • 1
  • Zuming Feng
    • 2
  1. 1.American Mathematics CompetitionsUniversity of NebraskaLincolnUSA
  2. 2.Department of MathematicsPhillips Exeter AcademyExeterUSA

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