Question

64*729
$\sqrt[3]{64 \times 729}$

Answer 1

hope this helps you....

Answer 2

$\sqrt[3]{ 64 \times 729 } \\ \\ \sqrt[3]{4 \times 4\times 4 \times 9 \times 9 \times 9 } \\ \\ \sqrt[3]{4^3 \times 9^3 } \\ \\ 4^{ 3 \times \frac{1}{3} } \times 9^{ 3 \times \frac{1}{3}} \\ \\ 4 \times 9 \\ \\ \rightarrow 36$