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Math Help - Proof involving matrices and determinant

  1. #1
    Junior Member
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    Proof involving matrices and determinant

    I was confused as to how to do the following, so any explanations would be greatly appreciated!

    If A is an n by n matrix, show that the constant term of p sub A of x is (-1)^n * the determinant of A.
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  2. #2
    Junior Member
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    Sorry, I also should have mentioned that p sub A of x represents the characteristic polynomial of A, which is the determinant of xI sub n - A
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