Уравнение с модулем: /x/=x²+x-4. Created by shahzod77. matematika-ru

=x²+x-4...

July 2022 1 15 Report

Уравнение с модулем:
/x/=x²+x-4

n1982 Х=x²+x-4
х=-2
х=2

-х=x²+x-4
x²+2x-4=0
D=4+16=20=2√5
х=(-2+2√5):2=-1+√5
х=-1-√5

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