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(x^2-3x+1)/(x-3)求最小值用均值不等式求
(x^2-3x+1)/(x-3)求最小值用均值不等式求
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2020-05-04 15:25
(x^2-3x+1)/(x-3)求最小值用均值不等式求
(x^2-3x+1)/(x-3)求最小值用均值不等式求
(x^2-3x+1)/(x-3)=(x-3)+1/(x-3)+2>=2[(x-3)/(x-3)]^(1/2)+2=4