Предмет: Алгебра, автор: nikagorbatenko83

Знайдіть суму коренів рівняння x² - 10x + 3 = 0​

Ответы

Автор ответа: сок111213
1

По теореме Виета:

{x}^{2} + bx + c = 0\\ x_{1} + x_{2} = - b

{x}^{2} - 10x + 3 = 0 \\ x_{1} + x_{2} = - ( - 10) = 10

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