设A∈Mn(K)且A<sup>2</sup>=A,令 证明:.

设A∈Mn(K)且A<sup>2</sup>=A,令 <img src='https://img2.soutiyun.com/ask/2020-08-03/965317988845742.png' /> 证明: <img src='https://img2.soutiyun.com/ask/2020-08-03/965317998761309.png' />.

时间:2023-07-02 11:21:10

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