高中数学代数与函数一其他练习题79
题目内容

已知函数 http://picflow.koolearn.com/upload/papers/20140824/20140824020503779645.png,当 http://picflow.koolearn.com/upload/papers/20140824/20140824020503811368.png时取得极小值 http://picflow.koolearn.com/upload/papers/20140824/20140824020503826299.png,则 http://picflow.koolearn.com/upload/papers/20140824/20140824020503842410.png等于(   )

2021-07-15

A.http://picflow.koolearn.com/upload/papers/20140824/20140824020503857310.png

B.1

C.http://picflow.koolearn.com/upload/papers/20140824/20140824020503904287.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824020503920300.png

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