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Теория: 04 Свойства арифметического корня \(\displaystyle n\)-й степени (числа)

Задание

ТЕОРИЯ

Свойства арифметического корня

\(\displaystyle 1)\)\(\displaystyle \sqrt[n\,]{ab}=\sqrt[n]{a} \cdot \sqrt[n]{b}{\small}\) при \(\displaystyle a \geqslant 0 {\small,}\)\(\displaystyle b \geqslant 0{\small,}\)\(\displaystyle n \in \N{\small,}\)
\(\displaystyle 2)\)\(\displaystyle \sqrt[n\,]{\frac{a}{b}}={\frac{\sqrt[n]{a}}{\sqrt[n]{b}}}{\small}\) при \(\displaystyle a \geqslant 0 {\small,}\)\(\displaystyle b > 0{\small,}\)\(\displaystyle n \in \N{\small,}\)
\(\displaystyle 3)\)\(\displaystyle \sqrt[n\,]{\sqrt[m\,]{a}} =\sqrt[nm\,]{a}\) при \(\displaystyle a \geqslant 0 {\small,}\)\(\displaystyle n \in \N{\small,}\)\(\displaystyle m \in \N{\small,}\)
\(\displaystyle 4)\)\(\displaystyle \left(\sqrt[n\,]{a}\right)^{\!m}=\sqrt[n]{a^m} \)при \(\displaystyle a > 0 {\small,}\)\(\displaystyle n \in \N{\small,}\)\(\displaystyle m\)– целое,
\(\displaystyle 5)\)\(\displaystyle \sqrt[nk\,]{ a^{mk}}=\sqrt[n\,]{ a^{m}}\) при \(\displaystyle a \geqslant 0 {\small,}\)\(\displaystyle n \in \N{\small,}\)\(\displaystyle k \in \N{\small,}\)\(\displaystyle m \in \N{\small.}\)

Решение