Автор - sandr24

область визначення функции f(x)= x³-18x​

Ответ

Автор - guldanasazan55

Ответ:

x ^{3}  - 18x = 0 \ x(x ^{2}  - 18) = 0 \ x = 0 \ x ^{2}  - 18 = 0 \ x ^{2}  = 18 \ x1 = 3 sqrt{2}  \ x2 =  - 3 sqrt{2}

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