tolong dibantu kakak kakak

[tex]( \frac{1}{729} ) {}^{ - 1 \times - \frac {2}{3} } \\ = ( \frac{1}{729} ) {}^{ \frac{2}{3} } \\ = ( \frac{1}{3 {}^{6} } ) {}^{ \frac{2}{3} } \\ = \frac{1}{3 {}^{6 \times \frac{2}{3} } } \\ = \frac{1}{3 {}^{4} } \\ = \frac{1}{81} [/tex]

Apa soalnya dek gk bisa buka fotonya