n阶行列式求解:1 2 2...2 2 2 2 ...2 2 3 2...2 .2 2 2...n
问题描述:
n阶行列式求解:1 2 2...2 2 2 2 ...2 2 3 2...2 .2 2 2...n
n阶行列式求解:1 2 2...2
2 2 2 ...2
2 3 2...2
..........
2 2 2...n
答
当n=2时,行列式为-2
当n>2时,为-2*(n-2)