线性代数中有关特征方程的化简问题【附图】如图为特征方程(即已知行列式的值为0),求x的值(即求三个特征值x1,x2,x3).*书中给出了最终化简结果(x-1)(x-6)(x+6),可是省略了过程,我想知道具
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![线性代数中有关特征方程的化简问题【附图】如图为特征方程(即已知行列式的值为0),求x的值(即求三个特征值x1,x2,x3).*书中给出了最终化简结果(x-1)(x-6)(x+6),可是省略了过程,我想知道具](/uploads/image/z/2639040-24-0.jpg?t=%E7%BA%BF%E6%80%A7%E4%BB%A3%E6%95%B0%E4%B8%AD%E6%9C%89%E5%85%B3%E7%89%B9%E5%BE%81%E6%96%B9%E7%A8%8B%E7%9A%84%E5%8C%96%E7%AE%80%E9%97%AE%E9%A2%98%E3%80%90%E9%99%84%E5%9B%BE%E3%80%91%E5%A6%82%E5%9B%BE%E4%B8%BA%E7%89%B9%E5%BE%81%E6%96%B9%E7%A8%8B%EF%BC%88%E5%8D%B3%E5%B7%B2%E7%9F%A5%E8%A1%8C%E5%88%97%E5%BC%8F%E7%9A%84%E5%80%BC%E4%B8%BA0%EF%BC%89%2C%E6%B1%82x%E7%9A%84%E5%80%BC%EF%BC%88%E5%8D%B3%E6%B1%82%E4%B8%89%E4%B8%AA%E7%89%B9%E5%BE%81%E5%80%BCx1%2Cx2%2Cx3%EF%BC%89.%2A%E4%B9%A6%E4%B8%AD%E7%BB%99%E5%87%BA%E4%BA%86%E6%9C%80%E7%BB%88%E5%8C%96%E7%AE%80%E7%BB%93%E6%9E%9C%28x-1%29%28x-6%29%28x%2B6%29%2C%E5%8F%AF%E6%98%AF%E7%9C%81%E7%95%A5%E4%BA%86%E8%BF%87%E7%A8%8B%2C%E6%88%91%E6%83%B3%E7%9F%A5%E9%81%93%E5%85%B7)
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