Question

Please solve this
I will follow ​

Answer 1

( vii )

$= ( \frac{243}{32} ) { }^{ - \frac{4}{5} } \\ = ( \frac{32}{243} ) { }^{ \frac{4}{5} } \\ = (\frac{2 {}^{5} }{3 {}^{5} }) {}^{ \frac{4}{5} } \\ =( (\frac{2}{3}) {}^{5} ) {}^{ \frac{4}{5} } \\ = ( \frac{2}{3} ) {}^{4}$