Question

$\sqrt \frac{2}{3} ^{minus 1}$

Answer 1

$\sqrt{\frac{2}{3}} ^{(-1}= \frac{1}{ \sqrt{\frac{2}{3}}} = \frac{\sqrt{ \frac{2}{3}} } {\frac{2}{3} }= \sqrt{\frac{ 2}{3} }* \frac{3}{2} = \frac{3\sqrt{ \frac{2}{3} } }{2}$