Предмет: Алгебра, автор: kisulla

не только напишите ответ,но и объясните.как решать!

sqrt[3]{3}*sqrt[3]{18}

Ответы

Автор ответа: VekaSolnce
0

sqrt[3]{3}*sqrt[3]{18}=sqrt[3]{3*18}=sqrt[3]{3*3*3*2}=sqrt[3]{3^{3}*2}=sqrt[3]{3^{3}}*sqrt[3]{2}=3*sqrt[3]{2}

используется основное свойство корней: произведение корней одинаковой степени = корень той же степени от произведения подкоренных выражений.

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