下列命题中正确命题的序号有______ .
①
;
②若
,则函数
的最小值为2;
③若
,
;
④若
,则
的最大值为2.
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e5a6f85a1aea28081b15d550d42901.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/647e17f9be50dcaba45fa6b15d5d982a.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63af71b9e6f71cd26e6e97541154cd8c.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1305b9abebd7bef3171486df157286b3.png)
更新时间:2023-10-14 09:21:31
|
【知识点】 基本不等式求和的最小值解读
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两点,则直线在
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您最近一年使用:0次
填空题-单空题
|
较易
(0.85)
解题方法
【推荐2】已知
,且
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5805a4fb349c844e5e0a2ee02b66ebc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21271545912e15d424cce32f650c0be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
您最近一年使用:0次