Berechne:
\(\eqalign{ & w = {z_1} - {z_2} \cr & {z_1} = - 2 + 3i \cr & {z_2} = 1 - 2i \cr}\)
\(w = - 3 + 5i\)
\(w = 3 + 5i\)
\(w = 3 - 5i\)
\(w = - 3 - 5i\)
Ich errechne eine abweichende Lösung