1 . 已知函数
.
(1)求不等式
的解集;
(2)已知
是函数
的最小值,若正数
满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450799da74a73a577ec4ae7b18134d53.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e23a38b3f33e10d52249b42b945eb48.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360a669b99179408c274d35698b8bd7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764274d68d2c72b983d7803ebe994aca.png)
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名校
2 . 设![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fcecbe96c693b0f4b665c0099a08975.png)
(1)求不等式
的解集
(2)设
为方程
的两个根,且
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fcecbe96c693b0f4b665c0099a08975.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb37d976e4d755f7105a5e6b9490ff4.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa400bce83aa82df526f8aa5f3129dbe.png)
您最近一年使用:0次