Ziv's Math World

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zivwang

On IMO2017 P2

I did IMO 2017 P2 with my friends yesterday. Now I would like to share my thoughts on this problem. Problem: Let be the set of real numbers. Determine all functions such that, for any real numbers and ,     The initial step must be taking certain values, testing its properties and then start…

January 2025
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  • On IMO2017 P2

    I did IMO 2017 P2 with my friends yesterday. Now I would like to share my thoughts on this problem. Problem: Let be the set of real numbers. Determine all functions such that, for any real numbers and ,     The initial step must be taking certain values, testing its properties and then start […]

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