| $$ \begin{aligned}\frac{27i+25}{29.52i+21}& \xlongequal{ }\frac{27i+25}{29i+21} \xlongequal{ } \\[1 em] & \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{654-79i}{641}\end{aligned} $$ | |
| ① | Divide $ \, 25+27i \, $ by $ \, 21+29i \, $ to get $\,\, \dfrac{654-79i}{641} $. ( view steps ) |