Question

Encontre Z tal que Z+2zi-1=2

Answer 1

2+2zi-1=2
z+2zi=3
z(1+2i)=3

z = $\frac{3}{1+2i} . \frac{1-2i}{1-2i} = \frac{3-6i}{1-2i+2i-4i^2}= \frac{3-6i}{5}$

$z = \frac{3}{5} - \frac{6i}{5}$