| $$ \begin{aligned}\frac{4+i}{4-i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{15+8i}{17}\end{aligned} $$ | |
| ① | Divide $ \, 4+i \, $ by $ \, 4-i \, $ to get $\,\, \dfrac{15+8i}{17} $. ( view steps ) |