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jan 1, 1539 - Символическая запись

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Для уравнения x^2+10x=39, переписываемого как x^2+10x-39=0, по теореме Виета сумма корней x1+x2=-10, а произведение корней x1*x2=-39

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jan 1, 1539

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~ 487 years ago

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