Предмет: Алгебра, автор: Дерзкаятвоя

Найдите наибольший корень уравнения x^3-3x^2-2x+6=0

Ответы

Автор ответа: ShirokovP

2

x^3 - 3x^2 - 2x + 6 = 0
x^2(x - 3) - 2(x - 3) = 0
(x^2 - 2) (x - 3) = 0
(x - √2) (x + √2) ( x - 3) = 0

x1 = √2;
x2 = - √2;
x3 = 3

ОТВЕТ:
3

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