Question
Answer
$$6\sqrt{12}\cdot2\sqrt{14}=24\sqrt{42}$$
Explanation
| $$ \begin{aligned}6\sqrt{12}\cdot2\sqrt{14}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}24\sqrt{42}\end{aligned} $$ | |
| ① | $$ 12 \sqrt{168} =
12 \sqrt{ 2 ^2 \cdot 42 } =
12 \sqrt{ 2 ^2 } \, \sqrt{ 42 } =
12 \cdot 2 \sqrt{ 42 } =
24 \sqrt{ 42 } $$ |
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