Предмет: Алгебра, автор: lfthandfree

Найдите наименьшее значение квадратного трехчлена x^2-4x+2.

Ответы

Автор ответа: JoinGlow

2

X^2-4x+2=0
D= 16-8 =8
x1= 4- sqrt8 / 2
x2 = 4+ sqrt8 / 2
Теперь посчитать только примерно:
4-2,9/2 ≈ 0,65

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