Question
Answer
$$2\sqrt{4}\cdot2\sqrt{2}=8\sqrt{2}$$
Explanation
| $$ \begin{aligned}2\sqrt{4}\cdot2\sqrt{2}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}8\sqrt{2}\end{aligned} $$ | |
| ① | $$ 4 \sqrt{8} =
4 \sqrt{ 2 ^2 \cdot 2 } =
4 \sqrt{ 2 ^2 } \, \sqrt{ 2 } =
4 \cdot 2 \sqrt{ 2 } =
8 \sqrt{ 2 } $$ |
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