名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d57778bc0e184610f507559a89d96c2.png)
且
是奇函数.
(1)当![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
为自然对数底数)时,解不等式:
;
(2)关于x的不等式
解集中有且仅有3个整数,讨论实数n的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d57778bc0e184610f507559a89d96c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d74d706d2e4392e25016e9101d07ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18375771aceaae2c20130efa961bb12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c04e8f899f16999d2068364f1b81e71.png)
(2)关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971183b60f6287e9b39bcf5d21dcba85.png)
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