高中数学代数与函数一其他练习题133
题目内容

若不等式 http://picflow.koolearn.com/upload/papers/20140824/20140824022320649730.png对于一切非零实数 http://picflow.koolearn.com/upload/papers/20140824/20140824022320664266.png均成立,则实数 http://picflow.koolearn.com/upload/papers/20140824/20140824022320680283.png的取值范围是(    )

2021-07-20

A.http://picflow.koolearn.com/upload/papers/20140824/20140824022320695489.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824022320711461.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824022320727457.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824022320742442.png

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