Question
Answer
$$5\sqrt{2}\cdot3\sqrt{6}=30\sqrt{3}$$
Explanation
| $$ \begin{aligned}5\sqrt{2}\cdot3\sqrt{6}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}30\sqrt{3}\end{aligned} $$ | |
| ① | $$ 15 \sqrt{12} =
15 \sqrt{ 2 ^2 \cdot 3 } =
15 \sqrt{ 2 ^2 } \, \sqrt{ 3 } =
15 \cdot 2 \sqrt{ 3 } =
30 \sqrt{ 3 } $$ |
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