解题方法
1 . 已知函数
,其极大值点和极小值点分别为
,记点
,直线
交曲线
于点
,若存在常数
,使得
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef3e79110067a46276f0869bea25af5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2790aecde6df3b05f195ab8daddb56be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e11699fa0813a5e9d6baf694f5bf4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357924c44549675683398a0b7c9bcb26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
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2 . 下列说法正确的是( )
A.![]() ![]() ![]() ![]() |
B.在![]() ![]() ![]() |
C.15人围坐在圆桌旁,从中任取4人,他们两两互不相邻的概率是![]() |
D.已知函数![]() ![]() ![]() ![]() ![]() |
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3 . 在给出的(1)
(2)
(3)
.三个不等式中,正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec02e9a092068144ff7303a32272fa1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e1fb3675caa244cb176f10e25ff865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb53dcea74befd1f252f4f6e82cdd7d.png)
A.0个 | B.1个 | C.2个 | D.3个 |
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名校
解题方法
4 . 设两个实数a,b满足:
,则正整数n的最大值为( ).(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff6c413ffb74d6be8339ec3d486d4bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357b40f90fee90089105a478abb6b3ba.png)
A.7 | B.8 | C.9 | D.10 |
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解题方法
5 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885ca3e0889663685c4e0f8f9f750096.png)
(1)求
的单调区间;
(2)设
.当
时,求证:
;
(3)若
,在
上恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9076d5911b5bc8bbdeee3f40797f0473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885ca3e0889663685c4e0f8f9f750096.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/958e61e101f25ae813d94981fdf92811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
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6 . 已知函数
.
(1)若
是单调函数,求
的取值范围;
(2)若
存在两个极值点
,且
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922d8673c6ecde8bf8ecc1e2eea18566.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d85793069f936ecef66ccd87f3e83d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f502d481e21d1288fde70a18e3ee451.png)
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2020-08-18更新
|
887次组卷
|
8卷引用:河南省洛阳市2018-2019学年高二5月期末数学(理)试题
7 . 已知定义在
上的函数
,其中
,e为自然对数的底数.
(1)求证:
有且只有一个极小值点;
(2)若不等式
在
上恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c64cada0415883ac3c3df4d4afcbbde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd2606dce43e1852cf7d43442d8a42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8938db94f49dcbe0c383fba0241bb0da.png)
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8 . 已知函数
.
(1)若
在
上不单调,求a的取值范围;
(2)当
时,记
的两个零点是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
①求a的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c565eed01da8f81dcb33909bd65d16f1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dcdd87d593df4a5c5e98d47fe1cfa6.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
①求a的取值范围;
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93b6f58e3f5d77e2acad79e7656688c6.png)
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2020-07-04更新
|
751次组卷
|
2卷引用:浙江省宁波市宁海中学2019-2020学年高二(创新班)下学期高考模拟数学试题
名校
解题方法
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64d5861435f297224332d454a7750b6.png)
(1)若
为单调增函数,求实数
的值;
(2)若函数
无最小值,求整数
的最小值与最大值之和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b64d5861435f297224332d454a7750b6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-05-02更新
|
882次组卷
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5卷引用:江西省上高二中2021届高三年级全真模拟考试数学(理)试题
江西省上高二中2021届高三年级全真模拟考试数学(理)试题重庆市第一中学2019-2020学年高三下学期期中数学(理)试题重庆市经开礼嘉中学2020届高三下学期期中数学(理)试题(已下线)专题13 利用导数解决函数的极值、最值-学会解题之高三数学万能解题模板【2022版】山东省青岛市青岛第二中学2022-2023学年高三上学期12月月考数学试题