[線代] singular

[mqazz1 (無法顯示)]

if A不等於O, but A^k = O (where O denotes the zero matrix) for some positive

integer k, then A must be singular


請問這題要怎麼證明呢?

謝謝

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推 JohnMash    :det(A)^n=0 implies det(A)=0
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