Question

find the value of it​

Answer 1

Answer:

1/3 is the right answer. Hope it helps

Answer 2

Answer:

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