Antwort 3.3:4

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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.