设 [tex=3.571x1.357]n9szCAW9NR93NzdWHX2+SBSXYvRAO7ROAT5M25kgbpM=[/tex] 为  [tex=0.714x0.786]6aVdGcNDEBq8XNsxxe6TUKJi2/iXUJ0aYNv4lG2aSNE=[/tex]  阶矩阵。试求[tex=2.071x1.214]uGZOm/TQCTAE4fv1YQpjrFle65DCuupFYwvLHkG3N2U=[/tex] 的第 [tex=0.571x1.0]rFc/sfAAuCOtzhevhoREeA==[/tex] 行第 [tex=0.357x1.0]5vVfAZliYwqMw8JaLE+iEA==[/tex] 列。[br][/br]

下列结论不一定正确的是 未知类型：{'options': ['设 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex] 为[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]阶矩阵，[tex=0.5x1.0]ycRjqHa76IDpEZtluYQxdQ==[/tex]为 [tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex] 阶单位矩阵，则 [tex=9.143x1.5]Pl82IheWxVFVdJ2+Fd7sorpEc0K+sgIz9PlEkIrqe0nKtZz+T6BeFfuCaOZBnxQuGP3olJaR/rF/VWdl8l43gKZnU1CkctUU6SZHX2gvDCRcD03QLD5SgzdoFmxpBDvM[/tex]', '设\xa0[tex=2.214x1.214]mzPkQ1PrfDENYX35ruacSvDODxo3j8dQeKXUkWzgkB0=[/tex]均为[tex=2.357x1.143]pvP96U7ZjLbynviSzoe8Jg==[/tex]\xa0矩阵，则\xa0[tex=5.214x1.214]uGZOm/TQCTAE4fv1YQpjrAw7+V51TxkO9ds6xlgqKKQNJmWBXDZMMJFeD9QG9BEQ0DaWINQ70jtOH/s0RLnTif+Hi8kBg9AmJKcaZ7vi158=[/tex]', '设\xa0[tex=2.214x1.214]mzPkQ1PrfDENYX35ruacSvDODxo3j8dQeKXUkWzgkB0=[/tex]\xa0均为[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]\xa0阶矩阵，且满足\xa0[tex=3.357x1.0]kJ6YrpB/q3NIaCEsFK0wp/1ig476TXkQqiMeQgbR8aw=[/tex], 则\xa0[tex=7.786x1.5]Pl82IheWxVFVdJ2+Fd7soo+lw0vbcAM/4pxjvx7Fs0kZ4BEh7mJCgg9JbKxW5EiZA2b7AJNF/LLtNLzeuyCSSg6dXoBpXBoDg1Y3zRFfyok=[/tex]', '设\xa0[tex=2.214x1.214]mzPkQ1PrfDENYX35ruacSvDODxo3j8dQeKXUkWzgkB0=[/tex]\xa0均为[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]\xa0阶矩阵，且满足[tex=3.357x1.0]R9q/1zIcSN2eT74WQYLXS1owfMgCJdyM73Dv43mFmqDIhUOnNb3kwMnwrmSvDBnz[/tex], 则\xa0[tex=10.286x1.5]Pl82IheWxVFVdJ2+Fd7soo+lw0vbcAM/4pxjvx7Fs0kZ4BEh7mJCgg9JbKxW5EiZA2b7AJNF/LLtNLzeuyCSSnOKtENVreLr51mecDWZ7FboEPRmUDsgMHgukz9P9d+5gAD8EmuROPgwVNK2k1AGqA==[/tex]'], 'type': 102}