求出以下行列式的值[tex=9.0x4.786]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/S7RQVmJgK8icKUlh79Eh//Gmtaxl/+v7QKoaA1LuZlCr12SV+ZIjCZT93s4KcuPyxlHBfXcSYHVsazuWzeJuizBEhBFTX0RgXS7v6hJcnRSNA3CIcU5IVc5ani3fl6GvI=[/tex]
求出以下行列式的值[tex=9.0x4.786]TIwZYBkNsy31H1RNd/OloCuqwwLwIvJpgM2g6FVI9/S7RQVmJgK8icKUlh79Eh//Gmtaxl/+v7QKoaA1LuZlCr12SV+ZIjCZT93s4KcuPyxlHBfXcSYHVsazuWzeJuizBEhBFTX0RgXS7v6hJcnRSNA3CIcU5IVc5ani3fl6GvI=[/tex]
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, 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.
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