soal mtk cara cariknya

[tex] (\frac{2 {}^{ - 1} a {}^{3}b {}^{ - 4} }{4a {}^{ - 2} b} ) {}^{ - 1} \\ = ( \frac{a {}^{5} }{8b {}^{5} } ) {}^{ - 1} \\ = 8( \frac{b {}^{5} }{a {}^{5} } ) \\ = 8( \frac{b}{a} ) {}^{5} [/tex]
semoga membantu.........

jawabannya E
#semoga membantu