Questões de Concurso Militar ITA 2011 para Aluno - Matemática
Foram encontradas 20 questões
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![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/6a0316eb3f3e66cbe175.png)
Sejam z = n2(cos 45◦ + i sen 45◦) e w = n(cos 15◦ + i sen 15◦), em que n é o menor inteiro positivo tal que (1 + i)n é real. Então, é igual a
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/5bd9cb92d34186a08106.png)
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/9bf830afe0a739efc935.png)
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/6a0316eb3f3e66cbe175.png)
![Imagem associada para resolução da questão](https://arquivos.qconcursos.com/images/provas/30476/8daa1e077bcbc2eff865.png)
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/5bd9cb92d34186a08106.png)
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/9bf830afe0a739efc935.png)
![](https://s3.amazonaws.com/qcon-assets-production/images/provas/30476/6a0316eb3f3e66cbe175.png)
Sejam z = n2(cos 45◦ + i sen 45◦) e w = n(cos 15◦ + i sen 15◦), em que n é o menor inteiro positivo tal que (1 + i)n é real. Então, é igual a