已知函数f(x)=ax^2+bx+c (a>b>c)的图像上有两点A(m1,f(m1)),B(m2,f(m2))已知函数f(x)=ax^2+bx+c (a>b>c)的图像上有两点A(m1,f(m1)),B(m2,f(m2))满足f(1)=0,且a^2+a( f(m1)+ f(m2))+ f(m1) f(m2)=0(1) 求证:b≥0(2) 求
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![已知函数f(x)=ax^2+bx+c (a>b>c)的图像上有两点A(m1,f(m1)),B(m2,f(m2))已知函数f(x)=ax^2+bx+c (a>b>c)的图像上有两点A(m1,f(m1)),B(m2,f(m2))满足f(1)=0,且a^2+a( f(m1)+ f(m2))+ f(m1) f(m2)=0(1) 求证:b≥0(2) 求](/uploads/image/z/6892721-17-1.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dax%5E2%2Bbx%2Bc+%28a%3Eb%3Ec%29%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8A%E6%9C%89%E4%B8%A4%E7%82%B9A%EF%BC%88m1%2Cf%28m1%29%EF%BC%89%2CB%28m2%2Cf%28m2%29%29%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dax%5E2%2Bbx%2Bc+%28a%3Eb%3Ec%29%E7%9A%84%E5%9B%BE%E5%83%8F%E4%B8%8A%E6%9C%89%E4%B8%A4%E7%82%B9A%EF%BC%88m1%2Cf%28m1%29%EF%BC%89%2CB%28m2%2Cf%28m2%29%29%E6%BB%A1%E8%B6%B3f%281%29%3D0%2C%E4%B8%94a%5E2%2Ba%28+f%28m1%29%2B+f%28m2%29%29%2B+f%28m1%29+f%28m2%29%3D0%EF%BC%881%EF%BC%89+%E6%B1%82%E8%AF%81%EF%BC%9Ab%E2%89%A50%EF%BC%882%EF%BC%89+%E6%B1%82)
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