hasil dari [tex] \sqrt[8]{9} [/tex]

[tex] = \sqrt[8]{9} \\ = {9}^{ \frac{1}{8} } \\ = ( {3}^{2})^{ \frac{1}{8} } \\ = {3}^{ \frac{2}{8} } \\ = {3}^{ \frac{1}{4} } [/tex]

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