Respostas

2014-01-07T19:14:25-02:00
Z=(1+3i)
logo Z.Z = Z²
z² = (1+3i).(1+3i)
z² = 1+3i+3i + 3².(i)²
i² = -1
z² = 1+6i + 9.-1
z² = 1 + 6i - 9
z² = -8+6i




obg... tomara que eu passe ....