设函数f(x)=ax^2+bx+c(a>b>c),f(1)=0,g(x)=ax+b设A,B是f(x)与g(x)的图像的两个交点,AA1垂直x轴且交于点A1,BB1垂直x轴且交于点B1,求线段│A1B1│的取值范围
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![设函数f(x)=ax^2+bx+c(a>b>c),f(1)=0,g(x)=ax+b设A,B是f(x)与g(x)的图像的两个交点,AA1垂直x轴且交于点A1,BB1垂直x轴且交于点B1,求线段│A1B1│的取值范围](/uploads/image/z/9450715-67-5.jpg?t=%E8%AE%BE%E5%87%BD%E6%95%B0f%28x%29%3Dax%5E2%2Bbx%2Bc%28a%3Eb%3Ec%29%2Cf%281%29%3D0%2Cg%28x%29%3Dax%2Bb%E8%AE%BEA%2CB%E6%98%AFf%28x%29%E4%B8%8Eg%28x%29%E7%9A%84%E5%9B%BE%E5%83%8F%E7%9A%84%E4%B8%A4%E4%B8%AA%E4%BA%A4%E7%82%B9%2CAA1%E5%9E%82%E7%9B%B4x%E8%BD%B4%E4%B8%94%E4%BA%A4%E4%BA%8E%E7%82%B9A1%2CBB1%E5%9E%82%E7%9B%B4x%E8%BD%B4%E4%B8%94%E4%BA%A4%E4%BA%8E%E7%82%B9B1%2C%E6%B1%82%E7%BA%BF%E6%AE%B5%E2%94%82A1B1%E2%94%82%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4)
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