已知
,函数
定义域中任意的
,有如下结论:
①
;
②
;
③
;
④
.
上述结论中正确结论的序号是_______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5505d1d2ae193b43ea6a913925e9f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25af1963a9357e2c5eda379417be0bb5.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2993419cd799220b9cfdd41686544bd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786e8c20f6dfebaeea705bc54ef5e796.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a57d6d7b74ae630e6ce3b43afe6060.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cf2a598e5410d2489be6ea8bfbef82.png)
上述结论中正确结论的序号是
更新时间:2017-07-01 15:20:06
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