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Автор - arina9458

Дано квадратное уравнение x2−5,5x−1,6=0, укажи сумму и произведение корней.

 

Ответ

Автор - taisasnitko

Ответ:

Объяснение:x²-5,5x-1,6=0--приведенное кв. уравнение

D>0, X1+x2=5,5 ;  x1·x2=-1,6 --согласно т.Виета

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