已知实数
,
.
(1)讨论
的单调性;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aaeabb8d6db336c51c6a53c0e7870c1.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1628b35c2689c1eb66cb51e6da6fd3b5.png)
2021·全国·模拟预测 查看更多[4]
2021届百师联盟高三一轮复习联考(三)全国卷+I+文科数学试题(已下线)热点04 导数及其应用-2021年高考数学(文)【热点·重点·难点】专练(已下线)黄金卷20-【赢在高考·黄金20卷】备战2021高考数学全真模拟卷(新高考专用)湖北省黄冈市黄州中学(黄冈市外国语学校)2022-2023学年高二下学期5月质量检测数学试题
更新时间:2020-12-04 10:28:41
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【推荐1】已知
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①求实数
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(1)求
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(2)已知
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dae74c724114bfeff024dd7b79f5edc.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求证:
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2e9a2215778fa570c7e90cb406f4e5b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
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(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8932999f3efb83ee09f9ab6cd7696e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
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(2)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38ebdba02014754796be1f5828de5d4.png)
(1)请讨论函数
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