名校
1 . 已知函数
.
(1)当
时,求函数
在区间
上的最小值;
(2)讨论函数
的极值点个数;
(3)当函数
无极值点时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1ec5faecf8dcec50c879383ae93744.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f113f0953b99014fdf934fd88811cb.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99c600ffe31feffbaea1e462d1528c3.png)
您最近一年使用:0次
2024-02-29更新
|
3606次组卷
|
5卷引用:山东省聊城市第一中学2023-2024学年高二下学期第一次阶段性检测数学试题
名校
解题方法
2 . 设函数
;
.
(1)
,
,
恒成立,求
的取值范围;
(2)设
,若方程
的两根为
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3440a7d248a609d841ac11ebd511182d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abc87c73ac48588c3440dac2fd68d6e.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bea34837c83d647d8b31e17faf5180b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5644a970a03d30dc7fce078f02e6e7a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc92f9ab01e0325209f958d0125caf44.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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aba4ced61c341f776deb3583364526.png)
您最近一年使用:0次
2023-11-14更新
|
225次组卷
|
4卷引用:山东省聊城市2023-2024学年高三上学期期中数学试题
山东省聊城市2023-2024学年高三上学期期中数学试题山东省青岛第五十八中学2023-2024学年高二上学期期末模块考试数学试卷(已下线)导数专题:导数与不等式成立问题(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)山东省泰安第二中学2023-2024学年高二下学期3月月考数学试题
名校
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992673f2428acad25b02245ce76d589.png)
(1)讨论
的单调性;
(2)证明:当
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1992673f2428acad25b02245ce76d589.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
您最近一年使用:0次
2023-11-14更新
|
655次组卷
|
3卷引用:山东省聊城市2023-2024学年高三上学期期中数学试题
名校
解题方法
4 . 已知函数
,
.
(1)若
,求函数
的极值;
(2)若关于
的不等式
恒成立,求整数
的最小值;
(3)当
时,函数
恰有两个不同的零点
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a48e5ee7e57720235a4462be5cfa12a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ccda874cae3e5eec0ba3265fd84f600.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70dfd3b70aab0849a459a241d904aa73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a2c01ac2a7f6ad7e03cb7a61daefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.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/2391ec3ef19e8906f2c0aa55f0ff30f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3da00fe1feafb42d7e2254dd5f8589.png)
您最近一年使用:0次
2023-10-13更新
|
570次组卷
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4卷引用:山东省聊城市东昌府区聊城颐中外国语学校2023-2024学年高三上学期期中数学试题
名校
解题方法
5 . 已知函数
.
(1)当
时,求
在区间
上的最值;
(2)若
有两个不同的零点
,
,求
的取值范围,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e9f45f86ee4cac88d16435393c7cec.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29909a4fdb8764b59f28bb63ce8da9db.png)
您最近一年使用:0次
2023-07-14更新
|
558次组卷
|
4卷引用:山东省聊城市2022-2023学年高二下学期期末数学试题
名校
解题方法
6 . 已知函数
,设
为两个不相等正数,且
.
(1)求
的取值范围.
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf496354672a8e9b634b67665e91d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc1a75b21ee2a884e7225e299963b3ea.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574824d85f44d42246529ac135c0391c.png)
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2023-06-03更新
|
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4卷引用:山东省“学情空间”区域教研共同体2022-2023学年高二下学期5月数学试题
山东省“学情空间”区域教研共同体2022-2023学年高二下学期5月数学试题(已下线)专题2 导数(5)(已下线)模块一 专题5 导数及其应用 2 (北师大2019版)四川省蓬溪中学校2022-2023学年高二下学期月考(理科)数学试题
7 . 已知函数.
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c62b44fae618a37c145b3b5d1f1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9fa47ad1651dab9932433106a84b801.png)
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2023-05-26更新
|
1286次组卷
|
4卷引用:山东省聊城市2023届高三三模数学试题
8 . 已知函数
,设m,n为两个不相等的正数,且
.
(1)求实数a的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71fe352cc7cf1b91d8367905db57dbdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebddcdacf385eb4554cbb9cb59abb37a.png)
(1)求实数a的取值范围;
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f7231c25de387e5dc1baefe1c68d790.png)
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2023-04-21更新
|
1310次组卷
|
5卷引用:山东省聊城市2023届高三二模数学试题
9 . 已知函数
.
(1)证明:当
时,
;当
时,
;
(2)若关于x的方程
有两解
,证明:
①
;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64263fe2ca48e694c87496d61e63fb9f.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f5c837522a811402efb9762210c5362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5596a73c1bc82e9de3256b127ce40eb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de03f145dfdfea9578e92d2bf43edd73.png)
(2)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d41dcaf740a22f8030aeaa253ab435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aabc96b7433bba077ceac76d8f0d75.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a34f53afbe20409c85cd6fe8f6b5c789.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4fb6e1e802146527f1a14670b7c5f7.png)
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2023-04-08更新
|
685次组卷
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3卷引用:山东省聊城市2023届高三第三次学业质量联合检测数学试题
10 . 已知函数
(a∈R).
(1)讨论
的单调性:
(2)证明:对任意
,存在正数b使得
.且2lna+b<0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6233c96f6b6432b8bb1b947907bc3593.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882b660047bb6ded500cedba57958e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c388c5f442b0501f6de0e44f80d9c329.png)
您最近一年使用:0次
2023-03-07更新
|
1633次组卷
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5卷引用:山东省聊城颐中外国语学校2022-2023学年高二下学期第一次自我检测数学试题