Algebra Linear E Geometria Analitica Linear Algebra Basis (Linear Algebra) Numerical Linear Algebra Fast solvers (Numerical Linear Algebra) Linear Algebra (Vector Space) Abstract Algebra Linear Regression Algebra System Of Linear Equations. ´ Algebra Moderna Diego Oliveira - Vit´oria da Conquista/BA ´ Livro: Algebra Linear - Editora Harbra (Boldrini/Costa/Figueiredo/Wetzler) diegoalvez@pop.com.br.
SejamA = 1 2 32 1 − 1 , B = − 2 0 13 0 1 , C = − 124 e D = [2, − 1]Encontre:a) A + Bb) A Cc) B Cd) C De) D Af) D Bg) − Ah) − D1 ´Algebra Moderna Diego Oliveira - Vit´oria da Conquista/BA Solu¸c˜ao de a: A + B 1 2 32 1 − 1 + − 2 0 13 0 1 = − 1 2 45 1 0 Solu¸c˜ao de b: A B 1 2 32 1 − 1 − 124 = 15 − 4 Solu¸c˜ao de g: − 1 A − 1 1 2 32 1 − 1 = − 1 − 2 − 3 − 2 − 1 1 2. Seja A = 2 x 2 2 x − 1 0 Se A’ = A, ent˜ao x = Solu¸c˜ao: Se A’ = A ent˜ao: 2 2 x − 1 x 2 0 = 2 x 2 2 x − 1 0 Que resulta nas seguintes igualdades:2 = 2 e 2 x − 1 = x 2 Desta ultima igualdade tira-se que x = 1.3.
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