Question

Calcule Z na questão abaixo:

Answer 1

$Z=Z_1.Z_3+Z_2$

$Z=(2-3i)(1+4i)+(4-2i)$

$Z=2+8i-3i-12i^2+4-2i$

$Z=2+8i-3i-12.(-1)+4-2i$

$Z=2+8i-3i+12+4-2i$

$Z=2+12+4+8i-3i-2i$

$Z=18+3i$