$$ \begin{aligned}\frac{-1+9i}{2+7i}& \xlongequal{ \color{blue}{ \text{\normalsize{ \htmlClass{explanationCircle explanationCircle1}{\textcircled {1}} } }}}\frac{61+25i}{53}\end{aligned} $$ | |
① | Divide $ \, -1+9i \, $ by $ \, 2+7i \, $ to get $\,\, \dfrac{61+25i}{53} $. ( view steps ) |