Answer
$$\frac{1}{\sqrt{225}}=\frac{1}{15}$$
Explanation
| $$ \begin{aligned}\frac{1}{\sqrt{225}}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{1}{15}\end{aligned} $$ | |
| ① | The square root of $ 225 $ is $ 15 $. |
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