Tap the blue circles to see an explanation.
| $$ \begin{aligned}\frac{\sqrt{49}}{\sqrt{1}}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\sqrt{49} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle2}{\textcircled {2}} } }}}7\end{aligned} $$ | |
| ① | Remove 1 from denominator. |
| ② | The square root of $ 49 $ is $ 7 $. |