求下列齐次线性方程组的一个基础解系，并用它表出全部解：[tex=12.929x5.214]fnpmC2J6JmQBLyo5NmGAz9r6Naxeh1VZo2pa70Fi0YrvyusvKYV7f+SW6S6JVcx4zKkNkZhum9d7sPH/LGiS+VmP+1V9Cw0EYFO2D6hyfz0lY4C/jQy/uwK/7JWwim5r9v7lv61V+29rQ7SmJ4TSDQ/VSWz4IjmqVGhqyVvqzDGaAWnbHux09zgYhFqZiw3xV+SebmY2TGwnx2VYvPAQH/c5G8DegDgGZ7oLYgm3JCcyi/emhY09ULfCshnCX8cJnO/GODWa0SSOlNxPvmcgOg==[/tex]
求下列齐次线性方程组的一个基础解系，并用它表出全部解：[tex=12.929x5.214]fnpmC2J6JmQBLyo5NmGAz9r6Naxeh1VZo2pa70Fi0YrvyusvKYV7f+SW6S6JVcx4zKkNkZhum9d7sPH/LGiS+VmP+1V9Cw0EYFO2D6hyfz0lY4C/jQy/uwK/7JWwim5r9v7lv61V+29rQ7SmJ4TSDQ/VSWz4IjmqVGhqyVvqzDGaAWnbHux09zgYhFqZiw3xV+SebmY2TGwnx2VYvPAQH/c5G8DegDgGZ7oLYgm3JCcyi/emhY09ULfCshnCX8cJnO/GODWa0SSOlNxPvmcgOg==[/tex]
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