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#1 2005-11-14 04:09:20

coolwind
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Registered: 2005-10-30
Posts: 30

A linear algebra problem

Suppose that A ia an nXn matrix that satisfies A^2+7A-I=0.Then A is invertible??

ture or false??and why??

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#2 2019-05-18 23:04:48

Alg Num Theory
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Registered: 2017-11-24
Posts: 693
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Re: A linear algebra problem


Me, or the ugly man, whatever (3,3,6)

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