Question
Answer
$$(2\sqrt{10})^2+\sqrt{3}^2=43$$
Explanation
| $$ \begin{aligned}(2\sqrt{10})^2+\sqrt{3}^2& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}40+3 \xlongequal{ } \\[1 em] & \xlongequal{ }43\end{aligned} $$ | |
| ① | $$ (2\sqrt{10})^2 =
2^{ 2 } \cdot \sqrt{10} ^ { 2 } =
2^{ 2 } \sqrt{10} ^2 =
2^{ 2 } \lvert 10 \rvert =
40 $$$$ \sqrt{3}^2 =
\sqrt{3} ^2 =
\lvert 3 \rvert =
3 $$ |
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