• 2022-07-23
    设A,B均为n阶矩阵,I为n阶单位矩阵,下列命题哪些成立?[tex=9.429x1.357]igDPIgAvZRFGdm7kyqFzzGYSQnxRfz4Yz+Y1na2UgfDX7S/QYEXcu8kZ8NhN5kb6[/tex] [tex=12.429x1.286]11u3bwbnYLcmQSuDi0+83dgP//dEFN1aFT5L55M3KSkVXZj6Gqws0n8jaEDFmbYeh7oSMiCMN7ubyfX4OHFiNQ==[/tex][tex=11.071x1.286]9SVqeNvXv5gGvVL50CdP+qT70giTDW3iHmkojI1eg4Y=[/tex][tex=15.5x1.286]/56xc1e4rih7MNCBCixhuYcEgHv2j9x08EFP9DqMcDI=[/tex][tex=11.357x1.286]bEVdHHtfT1d+OF0b2Uinb52h+0XlNgEJRBfmItB5s+tzjuPoIQCGTufcY/C88vgL[/tex][tex=11.214x1.286]TWjGL64IImc8/k2Q8BTN1BEEjwSrmAyYbj+qqc0dszs=[/tex]