Svar 3.1:2
Förberedande kurs i matematik 2
a) | \displaystyle \displaystyle \frac{1}{2} - \frac{5}{2}\,i | b) | \displaystyle \displaystyle -\frac{19}{26} + \frac{2}{13}\,i |
c) | \displaystyle \displaystyle -\frac{11}{4}-\frac{5\sqrt3}{4}\,i | d) | \displaystyle \displaystyle \frac{7}{130} -\frac{93}{65}\,i |