Question

Sejam z1=2 e z2=3+5i. Efetuar z1:z2

Answer 1

$z_1:z_2=\frac{2}{3+5i}=\frac{2}{3+5i}\cdot\frac{3-5i}{3-5i}=\frac{6-10i}{9-25i^2}=\frac{6-10i}{9+25}=\frac{6-10i}{34}=\frac{3+5i}{17}$