Question

How to find ³√4 x ⁴√8.

Answer 1

${4}^{ \frac{1}{3} } \times {8}^{ \frac{1}{4} } = {2}^{ \frac{2}{3} } \times {2}^{ \frac{3}{4} } \\ = {2}^{ \frac{2}{3 } + \frac{3}{4} } \\ = {2}^{ \frac{8 + 9}{12} } \\ = {2}^{ \frac{17}{12} } \\ = \sqrt[12]{ {2}^{17} }$