高中数学代数与函数一其他练习题141
题目内容

已知x>1,y>1,且http://picflow.koolearn.com/upload/papers/g02/20110819/20110819135053687881.giflnx,http://picflow.koolearn.com/upload/papers/g02/20110819/20110819135053687881.gif,lny成等比数列,则xy

2021-07-21

A.有最小值e

B.有最小值http://picflow.koolearn.com/upload/papers/g02/20110819/20110819135053703885.gif

C.有最大值e

D.有最大值http://picflow.koolearn.com/upload/papers/g02/20110819/20110819135053703885.gif

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