| 1 1 1 1 ...1 |
| a1 a2 a3 ...an |
| a1^2 a2^2 .an^2 .|
| ....|
| a1^(n-1) a2^(n-1) ...an^(n-1) |
比如第二行为 1 2 3
那行列式值就是:(2-1)(3-1)(3-2)
,如果没讲明白,可HI联系
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