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Prove that if A is upper triangular and B is the matrix

  1. Apr 11, 2010 #1
    How to prove that if A is upper triangular and B is the matrix that results when the ith row and jth column of A are deleted, then B is upper triangular if i<j.
     
  2. jcsd
  3. Apr 11, 2010 #2
    Re: Determinants

    It seems like induction could work here. Have you tried it.? . Try showing it

    works for small values of n, say , 2,3,4 , and see how to generalize for the

    inductive step.
     
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