$$ \begin{aligned}\frac{5+4i}{1-2i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{-3+14i}{5}\end{aligned} $$ | |
① | Divide $ \, 5+4i \, $ by $ \, 1-2i \, $ to get $\,\, \dfrac{-3+14i}{5} $. ( view steps ) |