Números complexos: uma reflexão sobre a abordagem desse conteúdo no ensino médio através de análise de livro didático

Abstract

That job discuss the approach in complexes numbers at the high school through a book analysis didactics used by schools public, highlighting the approach to content, the level from contextualization two examples and exercises applied, good as the context historic of development two complex numbers. The work it still presents a reflection about manipulation of this content by part from its authors, the explanation of topics as the formula from Euler and the Moivre, analyzing the rigor math matical made by author in the main about settings two complex numbers. In this research were also raised inquiries about the reasons possible withdrawal two complex numbers from the national curriculum from high school and the possible may this cause in content two courses of exact what they need from this knowledge.