用行列式性质, 化行列式[tex=6.714x4.5]TIwZYBkNsy31H1RNd/OloF8hzn/iQKxIUT1oKdsg0R3jLMXX3laYDx5AIFbERHnlWP+J07lODRqizmwIB0/gYqCD0FRyLODVrGPOBsPtMjetcxaRKeXKdRAJG40iaKxcQgmWsKrsLjzmuuh5iUzPxw==[/tex]为上三角形行列式, 并求其值.
举一反三
- 用行列式性质, 化行列式[tex=7.714x4.5]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/QC0U69TuxABFUvvNzEOF0AcCfCalqP8gTIjvSSk+7P55FF8+fCA8DpGyRLSFTuAM65LM2M6QXCRHY0KTG152a1Lj5tDxR8RRDjJ+xyjA38P/KOHxGX8xRTBMnKgLpVSPE=[/tex]为上三角形行列式, 并求其值.
- 用行列式性质, 化行列式[tex=9.0x4.786]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/S7RQVmJgK8icKUlh79Eh//Gmtaxl/+v7QKoaA1LuZlCr12SV+ZIjCZT93s4KcuPyxlHBfXcSYHVsazuWzeJuizBEhBFTX0RgXS7v6hJcnRSNA3CIcU5IVc5ani3fl6GvI=[/tex]为上三角形行列式, 并求其值.
- 用行列式性质计算下列各行列式:[tex=8.786x3.643]TIwZYBkNsy31H1RNd/OloCzBksPx+fO2Romdq9gQsDCyldKCXtd31jBLvGpXyre8hCz9v78thBfWql7zrwd8JoPqt2XC86Z7bbHgyCk6QOWSgeBeFIA5ERqdiKUIbEc/[/tex]
- 将行列式[tex=9.786x4.929]TIwZYBkNsy31H1RNd/OloChTOq5UbOsK7+VdRvDo+y8CGMVtD648fuur4rQzT8MfiNVWBa9QfPHRXxyUHGunjrojUn6GuFSCpyUJ4VDNx2oJQX+V3OYGMxGew8aaPGSecexZcP12yiyWSL9uYVOdEJeqMMOtkPq7QQ5mxVrwzG8=[/tex]化为三角形行列式, 并求其值.
- 将行列式[tex=9.786x4.786]TIwZYBkNsy31H1RNd/OloG/hlvdbuyEJtxppmS38zQUqOzk2JeLdk1m/sB588OjpThunw5Tsk+IjENrF9iGkWIuXZwp0bAnLCp4C55F8ADnafIaOsHsWCYhOBDFRTZe9gASScXj+KMNXUTfhATcEOFTKo6ypbHdZSWxAq4Rgriw=[/tex]化为三角形行列式, 并求其值.