Considere o número complexo z = - 9 - 8i. Qual das alternativas abaixo expressa o seu quadrado? a) z =
Considere o número complexo z = - 9 - 8i. Qual das alternativas abaixo expressa o seu quadrado? a) z = - 17 - 144i
b) z = 145 + 144i
c) z = 17 + 144i
d) z = 17 - 144i
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