| $$ \begin{aligned}0.0001 \cdot \frac{i}{1+0.0001i}& \xlongequal{ }0.0001 \cdot \frac{i}{1+0i} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}0.0001\cdot1i \xlongequal{ } \\[1 em] & \xlongequal{ }0i\end{aligned} $$ | |
| ① | Divide $ \, i \, $ by $ \, 1 \, $ to get $\,\, i $. ( view steps ) |