tlong jwab ya.. mkasi

[tex]( \frac{2}{3} ) {}^{2} {}^{ \frac{1}{2} } + ( \frac{2}{3} ) {3}^{ \frac{1}{3} } + ( \frac{2}{3} ) {4}^{ \frac{1}{4} } \\ \frac{2}{3} + \frac{2}{3} + \frac{2}{3} = \frac{6}{3} = 2[/tex]