设n阶矩阵A 与s阶矩阵B都可逆,求[tex=5.929x2.929]075gCzZzsMRb6HYXYk9X9wnlXBOdM81Ai4VHwyypbkMOsILM5b5DtPOUEDyBPeKjBLxoeS2aWJk35clIXAe1sw==[/tex]，
举一反三
- 设n阶矩阵A 与s阶矩阵B都可逆,求[tex=5.929x2.929]075gCzZzsMRb6HYXYk9X95BT8z7z4e+4OInb7Y8WX7mlX1JqGvQbOIoyVZF9LvTxogPvhwFUoE0aUeAMjFCx5w==[/tex]
- 设[tex=0.643x1.286]Nud/2eskX2OmQOds9nx+Fw==[/tex]阶矩阵[tex=0.786x1.286]pi/GsQ3apuRt43V3XQq/tA==[/tex]及[tex=0.5x1.286]r65Ank8E1dV+BtDCLn5S+w==[/tex]阶矩阵[tex=0.786x1.286]q1djlrfSWHAqH21hBgtrSw==[/tex] 都可逆, 求(1)[tex=5.929x2.929]rwMhqGKFQ+j3l2qMx/grPmtqXebwM7lRAV7uUT8ea0FCL1MAiTkcIUmbpKZBtEflME05K6QZLyCpaaEi/cmy2NOaEElFekXmtlEtJzfu/3o=[/tex]; (2)[tex=5.929x2.929]rwMhqGKFQ+j3l2qMx/grPqH4onJbyJSuN9BDoj1IoCp3XXc+tuCZRRR1rFYfdwjr+mbUYeI53nhkQMNOXv1vJDNsBVTUq4z8ki3uzTpao7M=[/tex].
- 设[tex=7.071x2.929]r+tiAx6ClSaeP7cZbqpjmXACNCkTkLbXSmdm65cOw+XEpcgk96uDO4lIHcqlGaczSOLNcuYH7zqrd49WI1GD1U4kYe0GU4X7fhxjEj8PY0o=[/tex]，其中B是n阶可逆矩阵，C是m阶可逆矩阵，证明A可逆，并求[tex=1.714x1.286]TO1yVSeu6VTkH5eqe0g3AQ==[/tex]。
- 设[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]阶矩阵[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]及[tex=0.929x0.786]VF0GLe2VBE/4VKNzpyOfFg==[/tex]阶矩阵[tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]都可逆，求:[br][/br][tex=5.929x2.929]jcCMHflCR8OS9TosV6N5vF5TBJ+hnWfKaPJMOj8+lW0ygKrP6wzvVGy4qDOEHs7MmQbphQ3QGPzl+GgH9R2nuUXdv9OFV78Y/zQ8LkM9gwU=[/tex]
- 设[tex=0.643x0.786]/he/ol8BkDuTTL9yMPtH4Q==[/tex]阶矩阵[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]及[tex=0.929x0.786]VF0GLe2VBE/4VKNzpyOfFg==[/tex]阶矩阵[tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]都可逆，求:[br][/br] [tex=5.929x2.929]jcCMHflCR8OS9TosV6N5vBtqjFrNFsn83APbaxuqgln63xB3nfahLwrMM85/LxtPiUi2rhRjG7dK5tvmUaNfzVRWRWHvWd+Bwo8bb86k1ZY=[/tex]