Respostas

2013-12-03T20:52:17-02:00
Z = (12-9i-16i+12i²).(3+2i) / (3-2i).(3+2i)
z = (12-25i-12).(3+2i) / (3²-(2i)²)
z = (-25i).(3+2i) / (9 - 4i²)
z = (-75i-50i)/(9+4)
z = (-125i)/13
13 4 13