设 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 阶矩阵 [tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex] 满足 [tex=7.857x1.429]c5Cf4pRARaBipYntugL/3lT+2P1wm6Adh3C4DrnE9zxs+rWtSanIqQObZuSRWOwG9blJ971ltu2szZRAgz9tDGmAFCyPUND2/APoUofpCtg=[/tex] 证明 [tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex] 及 [tex=3.429x1.143]O8o/cZDTF8ipMqduQHBWgki+n11gPYz8nHp16jZXhUg7OeviFnwy5FJ9ddmOhPO1[/tex] 均可逆,并求它们的逆.
设 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 阶矩阵 [tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex] 满足 [tex=7.857x1.429]c5Cf4pRARaBipYntugL/3lT+2P1wm6Adh3C4DrnE9zxs+rWtSanIqQObZuSRWOwG9blJ971ltu2szZRAgz9tDGmAFCyPUND2/APoUofpCtg=[/tex] 证明 [tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex] 及 [tex=3.429x1.143]O8o/cZDTF8ipMqduQHBWgki+n11gPYz8nHp16jZXhUg7OeviFnwy5FJ9ddmOhPO1[/tex] 均可逆,并求它们的逆.
1