Question
Answer
$$\sqrt{\dfrac{49}{25}}=\dfrac{7}{5}$$
Explanation
| $$ \begin{aligned}\sqrt{\frac{49}{25}}& \xlongequal{ }\frac{1}{5}\sqrt{49} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{7}{5}\end{aligned} $$ | |
| ① | $$ \frac{ 1 }{ 5 } \sqrt{ 49 } = \frac{ 1 }{ 5 } \cdot 7 = \frac{ 7 }{ 5 } $$ |
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