Ex#3.1 Q#15,16|Elementary linear algebra| parallel vectors
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Ex#1.4 Q#19,20| Elementary linear algebra| product of matrices|inverse of matrix
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Ex#3.3 Q#1-34 |Elementary linear algebra|orthognal |projections|planes|distance b/w plane and point
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Ex#3.1 Q#16,17,18| Elementary linear algebra| parallel vectors
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TODAS as maneiras de resolver sistema linear
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linear algebra || exercise 3.1 question 5-8
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