Скачать или смотреть Don't just solve the cubic, PreRMO 2012

Check out Filip's Channel, Schrödinger Equation:    • Schrödinger Equation || A Derivation  

This is a Pre RMO problemin 2012, asked by Yogesh and solved by Filip. It was a cubic equation but we didn't need to solve for all the roots to solve the problem! Pause the video and try it yourself first.


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