设A,B是n阶方阵,下列等式成立的是( ).A.B.C.D.
设A,B是n阶方阵,下列等式成立的是( ).
A.
B.
C.
D.![](https://assets.51tk.com/images/510fa4a7dfbde346_img/3fb3dc5ba9e771b6.jpg)
![](https://assets.51tk.com/images/510fa4a7dfbde346_img/43f8c6cb391d16f7.jpg)
B.
![](https://assets.51tk.com/images/510fa4a7dfbde346_img/fbfedb22eec61a59.jpg)
C.
![](https://assets.51tk.com/images/510fa4a7dfbde346_img/0e534e4354c5cda3.jpg)
D.
![](https://assets.51tk.com/images/510fa4a7dfbde346_img/3fb3dc5ba9e771b6.jpg)
参考解析
解析:
![](https://assets.51tk.com/images/510fa4a7dfbde346_img/bb5eb659aa9549f1.jpg)
相关考题:
设A,B是n阶方阵,下列等式成立的是().A、(A+B)2=A2+2AB+B2B、(A-B)×(A+B)=A2-B2C、(A+B)×(A-B)=A2-B2D、(A+B)2=A2+AB+BA+B2
单选题设A,B是n阶方阵,下列等式成立的是().A(A+B)2=A2+2AB+B2B(A-B)×(A+B)=A2-B2C(A+B)×(A-B)=A2-B2D(A+B)2=A2+AB+BA+B2
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