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已知 http://picflow.koolearn.com/upload/papers/20140823/20140823233253848393.png满足 http://picflow.koolearn.com/upload/papers/20140823/201408232332538631130.png,且 http://picflow.koolearn.com/upload/papers/20140823/20140823233253895473.png能取到最小值,则实数 http://picflow.koolearn.com/upload/papers/20140823/20140823233253910277.png的取值范围是(   )

发布时间:2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140823/20140823233253926370.png

B.http://picflow.koolearn.com/upload/papers/20140823/20140823233253957392.png

C.http://picflow.koolearn.com/upload/papers/20140823/20140823233253973475.png

D.-1<a<2

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