Answer
$$\sqrt{4}^2=4$$
Explanation
Tap the blue circles to see an explanation.
| $$ \begin{aligned}\sqrt{4}^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}2^2 \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}4\end{aligned} $$ | |
| ① | $$ \sqrt{4} = 2 $$ |
| ② | $ 2 ^ 2 = 4 $ |
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Simplify Radical Expression