名校
1 . 已知实数
,满足
.
(1)求证:
;
(2)求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a3ed2844068310eeaac9538f4892eca.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2f34086050cae58a269ae77ad89466.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0e684b23522eee1c26acd2c9ce7ac5d.png)
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2024-05-03更新
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4卷引用:重庆市乌江新高考协作体2023-2024学年高一下学期第二阶段性学业质量联合调研抽测(5月)数学试题
名校
2 . 设函数
.
(1)若存在
,使得
,求实数
的取值范围;
(2)若
是(1)中的最大值,且正数
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55ab085ff06a309643102942fa31a637.png)
(1)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/799b324b514d6044672c133d8fef2dc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ce5118394e703092a3ac1deb901eeeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deba97f507ced9a7884d4d5c855f4e3a.png)
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2019-05-19更新
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4卷引用:【全国百强校】重庆一中2019届高三下学期5月月考数学(理科)试题