• 2022-06-29
    设有齐次线性方程组[tex=2.929x1.0]qTT9ohZSoF+wT3IvQFgnLBHrLWFsrmsJaVbb7qafUBgAyALM4mNdkhoHjzQgql/8[/tex]和[tex=2.929x1.0]d3oLifbI5s6LUr2fYOYYY1ttPIjl5chscg3/Vox7gwzi+iuyxK7t/MB7PQpYYKyA[/tex],其中[tex=0.857x1.286]VDaqe/5gsI6W8PDnV4Qzpg==[/tex],[tex=0.786x1.286]7xu/f2QGSkxbr3vOcRhylg==[/tex]均为[tex=2.714x1.071]319e/AVA5VexfWBQXpJ9ug==[/tex]矩阵,现有四个命题:①若[tex=2.929x1.0]qTT9ohZSoF+wT3IvQFgnLBHrLWFsrmsJaVbb7qafUBgAyALM4mNdkhoHjzQgql/8[/tex]的解均是[tex=2.929x1.0]d3oLifbI5s6LUr2fYOYYY1ttPIjl5chscg3/Vox7gwzi+iuyxK7t/MB7PQpYYKyA[/tex]的解,则[tex=5.643x1.357]jEEivN/5gJOW4N32rCGoUF7XeM+ib9DUenO1ibV2ayHh86BnqfIhZX01v1n343Bj[/tex];②若[tex=5.643x1.357]jEEivN/5gJOW4N32rCGoUF7XeM+ib9DUenO1ibV2ayHh86BnqfIhZX01v1n343Bj[/tex],则[tex=2.929x1.0]qTT9ohZSoF+wT3IvQFgnLBHrLWFsrmsJaVbb7qafUBgAyALM4mNdkhoHjzQgql/8[/tex]的解均是[tex=2.929x1.0]d3oLifbI5s6LUr2fYOYYY1ttPIjl5chscg3/Vox7gwzi+iuyxK7t/MB7PQpYYKyA[/tex]的解;③若[tex=2.929x1.0]qTT9ohZSoF+wT3IvQFgnLBHrLWFsrmsJaVbb7qafUBgAyALM4mNdkhoHjzQgql/8[/tex]与[tex=2.929x1.0]d3oLifbI5s6LUr2fYOYYY1ttPIjl5chscg3/Vox7gwzi+iuyxK7t/MB7PQpYYKyA[/tex]同解,则[tex=5.643x1.357]jEEivN/5gJOW4N32rCGoUPa2P8TiVo92+43RL9tve5cuxdTnqaCD3yUNjKmBJXCx[/tex];④若[tex=5.643x1.357]jEEivN/5gJOW4N32rCGoUPa2P8TiVo92+43RL9tve5cuxdTnqaCD3yUNjKmBJXCx[/tex],则[tex=2.929x1.0]qTT9ohZSoF+wT3IvQFgnLBHrLWFsrmsJaVbb7qafUBgAyALM4mNdkhoHjzQgql/8[/tex]与[tex=2.929x1.0]d3oLifbI5s6LUr2fYOYYY1ttPIjl5chscg3/Vox7gwzi+iuyxK7t/MB7PQpYYKyA[/tex]同解。以上命题中正确的是 
    未知类型:{'label': 'questionDesc', 'content': '[tex=3.286x1.357]akNi1EvuYp8tNA+5BL4rmD22VMBSPXvRce9MxfeYUng=[/tex]', 'isMemberControl': 0, 'type': 181}
    A: ①②
    B: ①③
    C: ②④
    D: ③④
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