• 2022-05-27
    设A,B,C,D都是n阶矩阵,[tex=8.071x1.286]3HMQ6ctJhg1fepM3G7zc/7Slxp4ogGBYYOtXEpuiO5zKS2eGXg1LAAnjke1gQdau[/tex]。证明:[tex=10.429x2.786]mqOKs44jrJgbK/+3e5yEgd35suHbTJ/ArRQnFQgazM1CofWTePwj4c2Q7spN1d3YIkRB3kHNUmhXYg6zZR8I9bUXlboh2CBD8Utt0krsmsg=[/tex]