Svar 3.3:5
Förberedande kurs i matematik 2
| a) | \displaystyle z= \left\{\begin{matrix} 2+1 \\ i \\ \end{matrix}\right. | b) | \displaystyle z = \left\{\begin{matrix} 1+i\phantom{2} \\ 1-2i \\ \end{matrix}\right. |
| c) | \displaystyle z= \left\{\begin{matrix} \phantom{-}2+i\phantom{2} \\ -1+2i \\ \end{matrix}\right. | d) | \displaystyle z= \left\{\begin{matrix} i \\ 1+4i \\ \end{matrix}\right. |
