Answer
$$\sqrt{2}^2=2$$
Explanation
| $$ \begin{aligned}\sqrt{2}^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2\end{aligned} $$ | |
| ① | $$ \sqrt{2}^2 =
\sqrt{2} ^2 =
\lvert 2 \rvert =
2 $$ |
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