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To me this seems like a special case of the Vieta formulas (https://en.wikipedia.org/wiki/Vieta%27s_formulas https://en.wikipedia.org/wiki/Vieta%27s_formulas) w
by mogadish 7y ago
To me this seems like a special case of the Vieta formulas (https://en.wikipedia.org/wiki/Vieta%27s_formulas https://en.wikipedia.org/wiki/Vieta%27s_formulas) which in my case I learned in highschool