• 2022-06-19
    设 [tex=3.857x1.357]A/o+gH8SN8hHYCPmpwAoSvWRsGsLxWCfP4yymTUTgvU=[/tex]是 [tex=2.0x1.357]VT6k/Ycgwo5CupacVLfyGw==[/tex] 的理想, 其中 [tex=8.929x1.5]3Yq6w3GxgHNPekMV4DFfOPglSmqXaaTLQ9PEDuxb8ow=[/tex] 求 [tex=1.643x1.357]AUsHON11E3W3eRwEnZvBDA==[/tex]
  • 解 [tex=9.429x1.571]T3h5ZN9P7iubZUdfj6Xxm3sopURKZhpdRolYzF7CW8EUlEp126rsbusWzWun5iHd[/tex]

    举一反三

    内容

    • 0

      设矩阵 [tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]与[tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex] 相似, 其中[tex=8.643x3.643]3BT1BgBZQ5uJXxD5dg+w26muwh1xN1sRXO8Q3eF5f+iTpB6kD/3/7F/Sewwa3hxWs7TCQWFyZq0QSUW2LGcSxj3jay92Ev0sXUjwbpJxe2w84vpk6B1wjRlgxeXY7DUa[/tex], 已知矩阵 [tex=0.786x1.0]sHo1pKm+gjxjcUAJjHrarQ==[/tex]有特征值 1,2,3, 则 [tex=1.357x0.786]C5gMMrS05DsgTY0BSnf1fg==[/tex] A: 4 B: -3 C: -4 D: 3

    • 1

      设[tex=0.786x1.0]b4HkKtHXeHofHX/gJc8Agg==[/tex]为 3 阶矩阵,且[tex=2.643x1.357]UmLV2A1CdZWQv7CRGUJlsA==[/tex],则[tex=2.643x1.357]KoGZ1RDPPY3DFvVdN0xWqg==[/tex](    )。 未知类型:{'options': ['4', '8', '16', '32'], 'type': 102}

    • 2

      判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]

    • 3

      判断半径大小并说明原因:(1)[tex=1.071x1.0]ZIxpATrL2EWTpYe3CKPlpg==[/tex]与 [tex=1.357x1.0]LO7mudz7++HOXb8YDQ1UtQ==[/tex](2) [tex=1.286x1.0]nOvFdt4hpTubfX23eRvSvg==[/tex]与[tex=1.071x1.0]Kr2c9X1cZ4El5JSNMoM0/w==[/tex](3) [tex=1.214x1.0]Q1mlMfKWwfAuQJLgzt2cVQ==[/tex]与[tex=1.357x1.0]ovKrdUm5wnQSTfl9He3wzA==[/tex](4)[tex=1.143x1.0]8nY7k4VEnlDIEx7o05iMhQ==[/tex]与[tex=1.357x1.214]in11+JirBe0MeyXDnVwAww==[/tex](5)[tex=1.643x1.214]cIgqspnlK9Ra13rNdyZhHQ==[/tex]与[tex=0.643x1.0]jLbabU9pW65GUKemsNBJWw==[/tex](6)[tex=1.929x1.143]CtrLAecFBVyCnMYbqB02Ag==[/tex]与[tex=2.0x1.214]2cEIifUWf5oYRzhjCpTV6A==[/tex](7)[tex=2.214x1.214]OdTls2gllRl/Z1zy0+35/g==[/tex]与[tex=2.071x1.214]YDXlUgl4Yvd6QFjcd0Ns2Q==[/tex](8)[tex=2.071x1.214]QvCjZKA7OQkNYccCl0MVgQ==[/tex]与[tex=1.929x1.214]GDfkuEdqfBLP2oRgr+Wojw==[/tex]

    • 4

      设4阶行列式[tex=8.643x4.786]kCqzrKR+UWkjw9qkP+VysJkXZPW4gGy3WQYxeVBjPyscbkh4jaqeuzTHKb8ADzZillEJv//dDYsA3eIgtl1m/nm9OC7iB1bU2mKbtX9y2U+l+hgZ+eGWwjw5nXaWh08GIKETM5w8LxpwKqz3U8YNoNCZ5N3cNaZXoyN7V8Cd6/8=[/tex],求[tex=9.786x1.286]ZzzqfAYue2NjktxDTXMzCBfMGki0q7fbkxRSW9V8r5u5UHngG2n2H+IYF6KiCpGl[/tex] .