名校
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64303f0b28e07b00124aeb2c52a25c66.png)
(1)若不等式
对任意的
恒成立,求
的取值范围;
(2)当
时,记
的最小值为
,正实数
,
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64303f0b28e07b00124aeb2c52a25c66.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1c6357d636da94e3cee61bb07d978d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5085f1c470e3e793af0d740085403610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989680e6b74504b71f5ece8771c5301d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1092875e251d295bc68827d8ed71e43.png)
您最近一年使用:0次
2020-06-01更新
|
307次组卷
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2卷引用:天津市2021届高三高考模拟数学试题