• 2021-04-14
    \(设有向量组(I):\alpha_{1}=(1,0,2)^T,\alpha_{2}=(1,1,3)^T,\alpha_{3}=(1,-1,a+2)^T和向量组(II):\beta_{1}=(1,2,a+3)^T,\) \(\beta_{2}=(2,1,a+6)^T,\beta_{3}=(2,1,a+4)^T,问a为何值时,向量组(I)和向量组(II)不等价?\)______