已知函数
.
(1)求不等式
的解集;
(2)若
的最小值为
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22ab8ae5534e1b1ca2c1422da8b3e4e6.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173f99d0a0cf852179fe8cf28d7c5332.png)
(2)若
![](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/961c3643c697896f8958a59e06cd0c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f36d335d9d9b99e8615685e6c0c32ec.png)
更新时间:2020-03-12 00:01:25
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解答题-问答题
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适中
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名校
【推荐1】(1)求关于
的不等式
的解集;
(2)若关于
的不等式
在
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(2)若关于
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ed55d9a1755eb12da3265fc351025c.png)
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐2】已知函数
.
(1)当
,求不等式
的解集;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0ec2569781516fdf9a63408dd835cd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df84fc96214a62a6a168344315d5e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8855b45de49990552c8d22b974552df1.png)
(2)当
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解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐3】已知
,
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(1)当
时,求不等式
的解集;
(2)若
,
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/551a02ec895d161dee817ce7befa5254.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90a7e93ad4e0c0dbfa22e13764e5367.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b05cf23f15517e7b65a5db887b0e2ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0b661e954284129dafa03668a6f907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c9545be376f04600d643cbd520a520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4aeed89faf0ba940c4ce65c809ecf2.png)
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解答题-证明题
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适中
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【推荐1】已知点
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55f0047ef12a2be5367fdd83b563340c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae342dcb93e0e6f017093cacc5ac977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be646cd52d7f2f1714e7542e75810f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(Ⅰ)求数列{
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/686ece75006ad358f23314dc8a246e11.png)
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解答题-证明题
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适中
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【推荐2】已知数列
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6c6c7b0a9bd1e6152dc6cac19d3d60.png)
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