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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Applications of Complex Numbers

Lin, Lian-rong 05 July 2011 (has links)
Complex number is a major mathematical discovery. It can be used in many scientific fields, including engineering, electromagnetism, quantum physics, applied mathematics, and chaos theory. The aim of this paper investigates the problems of algebra, trigonometry and geometry, which can be solved cleverly by the properties of complex numbers.
2

Uma generalização da Circunferência dos Nove Pontos para a Educação Básica

Rezende, Ana Claudya Botelho de January 2017 (has links)
Orientadora: Profa. Dra. Ana Carolina Boero / Dissertação (mestrado) - Universidade Federal do ABC, Programa de Pós-Graduação em Mestrado Profissional em Matemática em Rede Nacional, 2017. / Neste trabalho, mostraremos que dado um triângulo e três cevianas que se intersetam em um ponto P, existe uma cônica que passa pelos pontos médios dos lados, pelos pés das cevianas e pelos pontos médios dos segmentos que unem P aos vértices do triângulo. Antes de apresentá-lo, contudo, exploraremos a Reta de Euler, a Circunferência dos Nove Pontos e algumas de suas principais propriedades. Finalizaremos este trabalho com duas sugestões de atividades que permitirão ao aluno construir conceitos matemáticos de maneira informal, intuitiva e lúdica, despertando seu interesse por Geometria e pela Matemática em geral. / In this work, we will show that given a triangle and three cevians that intersect at a point P, there is a conic that passes through the midpoints of the sides, the feet of the cevians and the midpoints of the segments that join P to the vertices of the triangle. Before presenting it, however, we will explore the Euler Line, the Nine-Point Circle and some of its main properties. We will finish this work with two suggestions of activities that will allow the student to construct mathematical concepts in an informal, intuitive and playful way, arousing his interest in Geometry and Mathematics in general.

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