Prova de Matemática (05/07/11)
Autor: Anthony Fugi | Publicado: 2011-07-04T16:29:00-07:00

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Ai ta o conteúdo da prova de matemática. Espero que ajude. : )
O que cai?Determinantes
Sistemas Lineares 
Determinantes:
Menor Complementar p. 6Cofator p. 6Laplace p. 7Chió p. 15Vandermonde p. 18Propriedades p. 8
As paginas de onde está a explicação de como resolver de acordo com cada determinantes está ao lado. Irei postar apenas as propriedades. Para exercitar as propriedades refaçam a prova de propriedades entregue pelo professor.
Propriedades de determinantes:
1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se uma coluna ou linha for zero o determinante vai ser zero.2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se uma matriz quadrada possuir linhas paralelas iguais ou proporcionais o determinante é nulo.3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; O determinante de uma matriz é o determinante de sua transposta.4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; O determinante de uma matriz triangular será igual ao produto dos elementos da diagonal principal.5)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se todos elementos de uma fila forem multiplicados por k então o determinante também fica multiplicado por k.6)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se uma matriz de ordem n for multiplicada por um numero k então deu determinante fica multiplicado por k elevado a n.7)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se A é uma matriz quadrada de ordem n trocarmos entre si a posição de duas filas paralelas, obtendo uma matriz B, tal que det B= - det A8)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; O determinante de duas matrizes quadradas de mesma ordem é igual ao produto dos determinantes dessas matrizes, ou seja, det (A.B) = det A . det B. Em conseqüência o det (A elevado na -1) = 1/det A.9)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Se um fila de uma matriz quadrada A somarmos uma combinação linear das demais filas paralelas, obtemos uma nova matriz B tal que det A = det B10)&nbsp;&nbsp; Os elementos de uma matriz quadrada são combinações lineares dos elementos de filas paralelas, então seu determinante é nulo. L2 = L1 + L3.
Sistemas Lineares:
Cramer p. 31Escalonamento p. 35Fazer lista com SITUAÇÕES PROBLEMAS!
Esse é o contudo de matemática... DECOREM as propriedades.Espero ter ajudado.@anthonyfugi