Re: [理工] [線代]-行列式證明題
※ 引述《ruby791104 (阿年：）)》之銘言：
: 1.Use mathematical induction to prove that if A is an (n+1) ×(n+1) matrix
: with two identical rows then det(A) = 0
Case n=0 is trivial.
If it is true for n×n matrix,
then for (n+1) ×(n+1) matrix,
we can use raw expansion with respect to some raw not any one of two
identical rows given.
By the assumption, every term is 0.
QED.
: 以上，麻煩好心的大大！（鞠躬
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12/03 23:44, , 1F
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