Hasil dari 729^1/3 - 25^1/2 + 128^1/4

[tex]729 {}^{ \frac{1}{3} } - 25 {}^{ \frac{1}{2} } + 128 {}^{ \frac{1}{4} } \\ = 9 {}^{3 \times \frac{1}{3} } - 5 {}^{2 \times \frac{1}{2} } + \sqrt[4]{128} \\ = 9 - 5 + \sqrt[4]{2 {}^{4} \times 8} \\ = 4 + 2 \sqrt[4]{8} [/tex]