(125 pangakat 1 per 3-8 1 per 4)pangkat min 3

[tex]((125 ^\frac{1}{3}) - (8^\frac{1}{4}))^{-3}\\ (((5^3) ^\frac{1}{3}) - ((2^3)^\frac{1}{4}))^{-3}\\ ( 5 - 2^\frac{3}{4})^{-3}\\ ((5)- \sqrt[4]{2^3})^{-3}\\ \frac{1}{((5)- \sqrt[4]{2^3})^3}[/tex]