Question

Simplify: (V5)-3 x (V2)-3​

Answer 1

Answer:

$({ \sqrt{5} })^{ - 3} \times ({ \sqrt{2} })^{ - 3} \\ = \frac{1}{ { \sqrt{5} }^{3} } \times \frac{1}{ { \sqrt{2} }^{3} } \\ = \frac{1}{5 \sqrt{5} } \times \frac{1}{2 \sqrt{2} } \\ = \frac{1}{10 \sqrt{10} }$