Svar 3.3:4
Förberedande kurs i matematik 2
a) | \displaystyle z= \left\{\begin{matrix} \phantom{-}(1+i)/\sqrt{2}\\ -(1+i)/\sqrt{2}\\ \end{matrix}\right. | b) | \displaystyle z = \left\{\begin{matrix} 2+i \\ 2-i \\ \end{matrix}\right. |
c) | \displaystyle z= \left\{\begin{matrix} -1+i\sqrt{2} \\ -1-i\sqrt{2} \\ \end{matrix}\right. | d) | \displaystyle z= \left\{\begin{matrix} (1+i\sqrt{15})/4\\ (1-i\sqrt{15})/4 \end{matrix}\right. |