Question
Answer
$$3\sqrt{7}\cdot6\sqrt{8}=36\sqrt{14}$$
Explanation
| $$ \begin{aligned}3\sqrt{7}\cdot6\sqrt{8}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}36\sqrt{14}\end{aligned} $$ | |
| ① | $$ 18 \sqrt{56} =
18 \sqrt{ 2 ^2 \cdot 14 } =
18 \sqrt{ 2 ^2 } \, \sqrt{ 14 } =
18 \cdot 2 \sqrt{ 14 } =
36 \sqrt{ 14 } $$ |
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