如何計算該行列式1 1 2 3 1 2 3 -1 3 -1 -1 -2 2 3 -1 -1 {1123} {123-1} {3-1-1-2} {23-1-1}

如何計算該行列式1 1 2 3 1 2 3 -1 3 -1 -1 -2 2 3 -1 -1 {1123} {123-1} {3-1-1-2} {23-1-1}

r4-r1-r2,r2-r1,r3-3r11 1 2 3 0 1 1 -4 0 -4 -7 -11 0 0 -6 -3 r3+4r21 1 2 3 0 1 1 -4 0 0 -3 -27 0 0 -6 -3 r4-2r31 1 2 3 0 1 1 -4 0 0 -3 -27 0 0 0 51行列式= -3*51 = - 153滿意請…