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.
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.
1