Question
Answer
$$\sqrt{3}\cdot(3\sqrt{3}+1)=9+\sqrt{3}$$
Explanation
| $$ \begin{aligned}\sqrt{3}\cdot(3\sqrt{3}+1)& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}9+\sqrt{3}\end{aligned} $$ | |
| ① | $$ \color{blue}{ \sqrt{3} } \cdot \left( 3 \sqrt{3} + 1\right) = \color{blue}{ \sqrt{3}} \cdot 3 \sqrt{3}+\color{blue}{ \sqrt{3}} \cdot1 = \\ = 9 + \sqrt{3} $$ |
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