Корень из(x^2 - 16) * (x^2 - x - 2)>= 0. Created by Kamiley. matematika-ru

Корень из(x^2 - 16) * (x^2 - x

July 2022 1 2 Report

Корень из(x^2 - 16) * (x^2 - x - 2)>= 0

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Ронша 16-×^2='6×
Переносим -6×
16-×^2+6×=0
Меняем местами для удобства
×^2+6×+16=0
D=b^2-4ac=6^2-4 (1)(16)=36+64=100=10^2
×=1-6 корень D/2a=6-10/-2=16/-2+8
×2=6+корень D/2a =6+10/2=4/-2=2

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Kamiley August 2022 | 0 Ответы

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