老师,麻烦帮我解答两个行列式的问题,万分感谢啊啊~~
一、100```0a1010```0a2001```0a3`````````````000```1anb1b2b3```bnc二、133```33323```33333`...
一、1 0 0 ``` 0 a1
0 1 0 ``` 0 a2
0 0 1 ``` 0 a3
``` ``` ``` ````
0 0 0 ``` 1 an
b1 b2 b3 ``` bn c
二、1 3 3 ``` 3 3
3 2 3 ``` 3 3
3 3 3 ``` 3 3
``` ``` ``` ```
3 3 3 ``` n-1 3
3 3 3 ``` 3 n 展开
0 1 0 ``` 0 a2
0 0 1 ``` 0 a3
``` ``` ``` ````
0 0 0 ``` 1 an
b1 b2 b3 ``` bn c
二、1 3 3 ``` 3 3
3 2 3 ``` 3 3
3 3 3 ``` 3 3
``` ``` ``` ```
3 3 3 ``` n-1 3
3 3 3 ``` 3 n 展开
2个回答
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