名校
1 . 下列说法不正确的有( )
A.![]() ![]() |
B.![]() |
C.不等式![]() ![]() |
D.相关指数![]() ![]() |
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名校
解题方法
2 . 已知下列命题:
①不等式
的解集为:
或
;
②不等式
的解集为:
;
③不等式
的解集为:
;
④若不等式
对任意
都成立,则
;
⑤若
,则函数
,
的最小值为
.正确的有_____________ .(将你认为正确的命题的序号填在横线上)
①不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d22a3d395ff99792f7c0bd45c496456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4da648ee55d60eb76c56cd747c30d40f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890d6dafa253b76e17c37f607ad29a53.png)
②不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f48d0fd32d220f682b97d769356d4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cc4eddd3a646184eecda1f72c3e759e.png)
③不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ae40c77edce0e73d808541da23d071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf76b4073ae6950540bad28b4a77846.png)
④若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88696bdb9875349efeafd249731bc2fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43976a38904f9103b86e51a255783465.png)
⑤若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a90f71a22daa4df7bd75c1e3e66fcb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7857ff8e98ca88a6e2520d43787ee2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a33b12b3e29154e6615d4136e943045.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
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