1、设A=|1 2 0| B=|2 3 -1||3 4 0| |-2 4 0| ,求AB^T|-1 2 1|,2、已知向量组α1=(1,2,1,-1),α2=(-1,1,2,4),α3=(-1,4,5,7)(1)求该向量组的秩以及它的一个极大无关组(2)将不在极大无关组中的向量,用该
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![1、设A=|1 2 0| B=|2 3 -1||3 4 0| |-2 4 0| ,求AB^T|-1 2 1|,2、已知向量组α1=(1,2,1,-1),α2=(-1,1,2,4),α3=(-1,4,5,7)(1)求该向量组的秩以及它的一个极大无关组(2)将不在极大无关组中的向量,用该](/uploads/image/z/5073388-52-8.jpg?t=1%E3%80%81%E8%AE%BEA%3D%7C1+2+0%7C+B%3D%7C2+3+-1%7C%7C3+4+0%7C+%7C-2+4+0%7C+%2C%E6%B1%82AB%EF%BC%BET%7C-1+2+1%7C%2C2%E3%80%81%E5%B7%B2%E7%9F%A5%E5%90%91%E9%87%8F%E7%BB%84%CE%B11%3D%EF%BC%881%2C2%2C1%2C-1%EF%BC%89%2C%CE%B12%3D%EF%BC%88-1%2C1%2C2%2C4%EF%BC%89%2C%CE%B13%3D%EF%BC%88-1%2C4%2C5%2C7%EF%BC%89%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%A5%E5%90%91%E9%87%8F%E7%BB%84%E7%9A%84%E7%A7%A9%E4%BB%A5%E5%8F%8A%E5%AE%83%E7%9A%84%E4%B8%80%E4%B8%AA%E6%9E%81%E5%A4%A7%E6%97%A0%E5%85%B3%E7%BB%84%EF%BC%882%EF%BC%89%E5%B0%86%E4%B8%8D%E5%9C%A8%E6%9E%81%E5%A4%A7%E6%97%A0%E5%85%B3%E7%BB%84%E4%B8%AD%E7%9A%84%E5%90%91%E9%87%8F%2C%E7%94%A8%E8%AF%A5)
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