1.

\frac{6^{1 / 4}}{6^{1 / 5}} \quad\left(\text { ii) } \frac{8^{1 / 2}}{8^{2 / 3}} \quad \text { (iii) } \frac{5^{6 / 7}}{5^{2 / 3}}\right.

Answer»

-7mn+5,12mn+2,9mn-8,-2mn-3



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