1 . 若
,观察下列不等式:
,
,请你猜测
将满足的不等式,并用数学归纳法加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a9b8104c2f9b61e8183081fae727cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179826b546f7b772b7d5099169517137.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c5ed979f77c4ead67aaefaf05473e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aa7dd6411178898bef63b9ba14f3d6c.png)
您最近一年使用:0次
2016-12-04更新
|
1004次组卷
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4卷引用:2015-2016学年福建上杭一中高二下学期周练理科数学试卷
2015-2016学年福建上杭一中高二下学期周练理科数学试卷河南省八市2017-2018学年高二下学期第一次测评理科数学试题(已下线)专题14 算法初步、推理与证明、数系的扩充与复数的引入-备战2021年高考数学(理)纠错笔记(已下线)专题28 证明不等式的常见技巧-学会解题之高三数学万能解题模板【2022版】
2 . 已知函数
.
(Ⅰ)当
时,解不等式
;
(Ⅱ)若存在
满足
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982526631936/1572982532177920/STEM/7acb147fb52d479f887f2530fbef155b.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982526631936/1572982532177920/STEM/41ccda6d1daa475c982c4fcabd9570f2.png)
(Ⅱ)若存在
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982526631936/1572982532177920/STEM/2f95304b5f624dd5a5d94e80ea200c51.png)
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982526631936/1572982532177920/STEM/01e671f688074338998bc25baabac7f2.png)
![](https://img.xkw.com/dksih/QBM/2016/8/17/1572982526631936/1572982532177920/STEM/7661789685c348cbadd3aa95a3c7b821.png)
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