| $$ \begin{aligned}(\frac{2+i}{-3+i})^6& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}(\frac{-1-i}{2})^6\end{aligned} $$ | |
| ① | Divide $ \, 2+i \, $ by $ \, -3+i \, $ to get $\,\, \dfrac{-1-i}{2} $. ( view steps ) |