Предмет: Алгебра, автор: kotikliza2008

Не розв'язуючи рівняння, знайдіть суму і добуток його коренів:
1. х³ - 5х + 4 =0 2. 2х² + 7х - 22 =0

Ответы

Автор ответа: unknovvmi
0

Відповідь:

внизу

Пояснення:

за теоремою Піфагора

1) х1+х2 = 5

х1*х2 = 4

2) х1*х2 = -3.5

х1*х2 = -11

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