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Автор - Вжвдсссдажжажа

розв*язати нерівність
срочно!!!

Ответ

Автор - lakOR555

д=16+16=32, корень из д = 4√2

х1=(-4-4√2)/2=-4(1+√2)/2=-2(1+√2)=-2-2√2

х2=(-4+4√2)/2=-4(1-√2)/2=-2+2√2

см. рисунок

ответ: [-2-2√2; -2+2√2]

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