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