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设a∈R,函数f(x)=e^-x(-x^2+ax),(a∈R,e为自然对数的底数)(1)若f(x)在(-1,1)内点掉递减,求a
(1)若f(x)在(-1,1)内点掉递减,求a的取值范围
人气:216 ℃ 时间:2019-10-17 03:57:40
解答
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