考研数学《线性代数》考点知识点总结

第一章队列式二元线性a11xa12yb1Da11a12，D1b1a12，D2a11b1D1D2a21xa22yb2a21a22b2a22a21b2x，y方程组：DD排列的逆nt为奇数奇排列，t为偶数偶