$$ \begin{aligned}\sqrt{14}^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}14\end{aligned} $$ | |
① | $$ \sqrt{14}^2 =
\sqrt{14} ^2 =
\lvert 14 \rvert =
14 $$ |