Let a1, a2 and a3 all be 3-dimensional column vectors, denoted as matrices:

匿名用户 最后更新于 2021-09-06 01:20 数学类Mathematics

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Let, az and as all be 3-dimensional column vectors, denoted as matrices:A=(a1,a2,a3),B=(a1+a2+a3,a1+2a2+4a3,a1+3a2+9a3) If |Al, then calculate |.


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