An Elementary Functional Equation: IMO 2019 P1
Автор: gozenome
Загружено: 2025-12-23
Просмотров: 20
This is a nice introduction to functional equations. Apart from the standard routine of guessing answers and plugging in simple values, the key takeaway from this problem is to always try for a possible connection to Cauchy's Functional Equation, especially when we are working with Z (integers) or Q (rational numbers).
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