线性代数这道题怎么做?不会啊大神快救我

2025-05-17 13:37:20
推荐回答(1个)
回答1:

D =
|1 1 1 |
|x y z |
|x^2 y^2 z^2|
= yz^2+zx^2+xy^2-yx^2-zy^2-xz^2