设定义域为R的分段函数f(X)=1/|x-1| x≠1f(x)= 0 x=1 若关于x 的方程f^2(x)+bf(x)+c=0有3个不同的实数解x1 x2 x3则(x1+x2+x3)^2=?
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![设定义域为R的分段函数f(X)=1/|x-1| x≠1f(x)= 0 x=1 若关于x 的方程f^2(x)+bf(x)+c=0有3个不同的实数解x1 x2 x3则(x1+x2+x3)^2=?](/uploads/image/z/955649-65-9.jpg?t=%E8%AE%BE%E5%AE%9A%E4%B9%89%E5%9F%9F%E4%B8%BAR%E7%9A%84%E5%88%86%E6%AE%B5%E5%87%BD%E6%95%B0f%28X%29%3D1%2F%7Cx-1%7C+x%E2%89%A01f%28x%29%3D+0+x%3D1+%E8%8B%A5%E5%85%B3%E4%BA%8Ex+%E7%9A%84%E6%96%B9%E7%A8%8Bf%5E2%28x%29%2Bbf%28x%29%2Bc%3D0%E6%9C%893%E4%B8%AA%E4%B8%8D%E5%90%8C%E7%9A%84%E5%AE%9E%E6%95%B0%E8%A7%A3x1+x2+x3%E5%88%99%28x1%2Bx2%2Bx3%29%5E2%3D%3F)
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