已知函数
.
(1)若对
时,
,求正实数a的最大值;
(2)证明:
;
(3)若函数
的最小值为m,证明:方程
有唯一的实数根,(其中
是自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f273fd3c903d427c1f998752beeb866.png)
(1)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e77ca0f7418cc670ec1a52160416c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37daea6922640bec3f3e2bf0cd9dfd95.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5997b64ccf7ead8d1857ef970bca7a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bf47a8f69ce2fbec0776e38e10aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
2023·浙江金华·模拟预测 查看更多[5]
浙江省金华十校2023届高三下学期4月模拟数学试题(已下线)模块八 专题11 以函数与导数为背景的压轴解答题江苏省南通市如皋中学2022-2023学年高三下学期4月阶段测试数学试题四川省眉山市仁寿县第一中学2022-2023学年高二下学期第二次月考数学(理)试题(已下线)第九章 导数与三角函数的联袂 专题四 利用导数证明含三角函数的不等式 微点4 利用导数证明含三角函数的不等式综合训练
更新时间:2023-04-12 16:03:48
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【推荐1】已知函数
,且函数
在
处取到极值.
(1)求曲线
在
处的切线方程;
(2)若函数
,且函数
有3个极值点
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/313a8876020169bd7f1bda1148b31ab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a4d4a4a4ffca34b4abb7d707742664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/915e28a6131cf12ea62c8f469d4fa5f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1a92c144e11706c53047b7a676c4fa9.png)
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【推荐2】已知函数
,
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零点的个数;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848ac7f1e6097155de301295e8bb4707.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcee20976de0e0e8c1ccd7a951674691.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
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【推荐1】已知函数
.
(1)当
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5da52b17d491c0e834da6fe9c8b34667.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80b3e551ccac533bfb82003a6940f6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87348f632b0064b0e305133c4e149f11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb6f90479ab6f0ad3492c923544854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ea9655f1d25bb28f5433759c1aa2786.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68132a44cd5352e0e59f1e63c8f369d9.png)
(1)讨论函数
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(2)当
时,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68132a44cd5352e0e59f1e63c8f369d9.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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【推荐1】已知函数
在
处的切线平行于x轴(e为自然对数的底数).
(1)讨论函数
的单调性;
(2)若关于x的不等式
恒成立,求实数a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca586f17f309a2923d9d1827b8b0c24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7071323599a321a9d4116a0f4abea67b.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4793adfb0c555d37a26834ae2715006.png)
(1)求函数
在
上的最大值;
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时,求证:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4793adfb0c555d37a26834ae2715006.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2c39e6c0a640357e3b0ccd6f954a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b994959d259bf83906f46779a04d6497.png)
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