试求一个正交的相似变换矩阵P,将已知的3阶对称阵A化为对角阵已知3阶对称阵A=2,2,-22,5,-4-2,-4,5我算出来|A-λE|=-(λ-10)(λ-1)^2然后λ=1时不会做了...
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![试求一个正交的相似变换矩阵P,将已知的3阶对称阵A化为对角阵已知3阶对称阵A=2,2,-22,5,-4-2,-4,5我算出来|A-λE|=-(λ-10)(λ-1)^2然后λ=1时不会做了...](/uploads/image/z/6994366-70-6.jpg?t=%E8%AF%95%E6%B1%82%E4%B8%80%E4%B8%AA%E6%AD%A3%E4%BA%A4%E7%9A%84%E7%9B%B8%E4%BC%BC%E5%8F%98%E6%8D%A2%E7%9F%A9%E9%98%B5P%2C%E5%B0%86%E5%B7%B2%E7%9F%A5%E7%9A%843%E9%98%B6%E5%AF%B9%E7%A7%B0%E9%98%B5A%E5%8C%96%E4%B8%BA%E5%AF%B9%E8%A7%92%E9%98%B5%E5%B7%B2%E7%9F%A53%E9%98%B6%E5%AF%B9%E7%A7%B0%E9%98%B5A%3D2%2C2%2C-22%2C5%2C-4-2%2C-4%2C5%E6%88%91%E7%AE%97%E5%87%BA%E6%9D%A5%7CA-%CE%BBE%7C%3D-%28%CE%BB-10%29%28%CE%BB-1%29%5E2%E7%84%B6%E5%90%8E%CE%BB%3D1%E6%97%B6%E4%B8%8D%E4%BC%9A%E5%81%9A%E4%BA%86...)
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