bilangan berpangkat campuran soal -15 pangkat -⅓

[tex] {( - 15)}^{ - \frac{1}{3} } = ... \\ = \frac{1}{ {( - 15)}^{ \frac{1}{3} } } \\ \\ = \frac{1}{ \sqrt[3]{ - 15} } \\ \\ = \frac{1}{ \sqrt[3]{ - 15} } \times \frac{ \sqrt[3]{ {( - 15)}^{2} } }{ \sqrt[3]{ { ( - 15)}^{2} } } \\ \\ = \frac{ \sqrt[3]{ {( - 15)}^{2} } }{ - 15} [/tex]