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Matrices

fabiricu Spanish 2 cards

Cards in this deck (2)

  1. 1Sea A E Kn*n Si existe una matriz B EK n*n talque AB=BA=I se dice que A es ivversible, regular o no singular y que B es inversa de A.Teorema: Sea A EK n*n Si A es inversible , entonces su inversa es unica.
    Demostracion:
    Supngamos que B y C son inversas de A , esto es AB=BA=I Y AC=CA=I
    B=BI=B(AC)=(BA)C=IC=C
  2. 2Teorema: Sean A,B E K n*n . Si A y B son inversibles , entonces A es simplificable.

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Matriz inversa
Created by
fabiricu · Dec 2015
Updated
Feb 19, 2016
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