名校
解题方法
1 . 已知函数
,
.
(1)若不等式
对任意
恒成立,求a的取值范围;
(2)若函数
有两个极值点
,
,且
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d87e04ce614b199dd257daae87641.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1dcdfce4e67213937b00a44b0c8412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b916df8bdd03ba4a31c0b8470d13436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc9d074a77427397dc8bfa29cec7b356.png)
您最近一年使用:0次
2021-01-19更新
|
415次组卷
|
2卷引用:江苏省无锡市南菁高级中学2020-2021学年高二(强化班)上学期12月阶段性考试数学试题
解题方法
2 . 已知函数
,不等式
对任意
恒成立,则实数m的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9030b23f7e4028ffcf6344e3179743e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd0a3762ac86e4f318d2f849952dbc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知函数
.
(1)讨论
的单调性;
(2)若函数
有两个零点
,
,且
是
的极值点.
(ⅰ)求实数
的取值范围;
(ⅱ)证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c9a77926fd9952862609298a2665e10.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e218987789939ac324a0fbfa894c49e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(ⅱ)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3126c20aaa829be4091ce7f2931b83.png)
您最近一年使用:0次
4 . 已知函数
.
(1)讨论函数
的单调性;
(2)当
时,
,证明:函数
有且仅有两个零点,两个零点互为倒数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e6593580e82168f37be2da7f7f46f2.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec61400368c73c219e1369d290bec61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
您最近一年使用:0次
2021-01-05更新
|
587次组卷
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4卷引用:甘肃省天水市第一中学2020-2021学年高三上学期第三次考试数学(文)试题
甘肃省天水市第一中学2020-2021学年高三上学期第三次考试数学(文)试题宁夏银川市永宁县上游高级中学2024届高三上学期月考(四)数学(理)试题黑龙江省哈尔滨市第一二二中学校2023-2024学年高三上学期阶段性检测考试数学试题(已下线)重难点突破09 函数零点问题的综合应用(八大题型)
名校
5 . 已知函数
.
(1)当
时,求函数
的极小值;
(2)当
时,若
是函数
的极大值点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf37a07da087f9134866b746d79d7e5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-01-05更新
|
371次组卷
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3卷引用:九师联盟2020-2021学年高三上学期12月联考(新高考)数学试题
名校
6 . 已知函数
.
(1)当
时,求函数的极值;
(2)若
,讨论函数
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70fdc97bbb8ea29ab33359c6448dd445.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc051b041564fdf115913357358298f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2020-09-05更新
|
619次组卷
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3卷引用:新高考课改专家2021届高三数学命题卷试题
名校
7 . 已知正方体
的棱长为
,
,
分别为
,
的中点,点
在平面
中,
,点
在线段
上,则下列结论正确的个数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/1089a844-035e-4639-83b7-d1162f49d6c0.png?resizew=164)
①点
的轨迹长度为
;
②线段
的轨迹与平面
的交线为圆弧;
③
的最小值为
;
④过
、
、
作正方体的截面,则该截面的周长为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fec63fe626342fc41fab8b85047b53e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3da8c338342e38c9aa3f274c053fd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d42170c7d4249f6b390823606c18c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcfe69b939fd1c271747fe9d37ccdf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ddf4d708c829ece5bef03f0d9517df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/13/1089a844-035e-4639-83b7-d1162f49d6c0.png?resizew=164)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
②线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c2293f93791a597bf0162411f3395f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10dd1672822a208909bc5714e6153870.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5845ffc7d1af9053b027cf9e726f5367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/798762d66a342849c22d12e98a149e5c.png)
④过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fec63fe626342fc41fab8b85047b53e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-01-03更新
|
2134次组卷
|
7卷引用:河南省实验中学2020-2021学年高三上学期模拟试卷数学(文科)试题
河南省实验中学2020-2021学年高三上学期模拟试卷数学(文科)试题(已下线)理科数学-2022年高考押题预测卷03(全国甲卷)(已下线)专题23 立体几何中的压轴小题-2(已下线)江西省上饶市2023届高三第一次高考模拟考试数学(理)试题变式题6-10(已下线)专题7-1 立体几何压轴小题:截面与球(讲+练)-2(已下线)专题14 立体几何常见压轴小题全归纳(练习)(已下线)第三章 空间轨迹问题 专题六 立体几何轨迹中的范围、最值问题 微点2 立体几何轨迹中的范围、最值问题综合训练【培优版】
解题方法
8 . 已知函数
.
(1)求函数
的单调区间;
(2)当
时,对
任意恒成立,求正整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecba8e630533bcaa731284898846c25f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a0f47fab688e014f487145a5e78bd35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2021-01-01更新
|
321次组卷
|
2卷引用:百师联盟2020-2021学年高三上学期一轮复习联考(四)全国卷 I 理科数学试题
解题方法
9 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f80cc25ad904604f630c0e3e8b1b2a.png)
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e3ce576f0766f29349db973fc22eb8.png)
(1)试讨论函数
的单调性;
(2)在
时,
是否存在极值点?如果存在不妨设为
,
且
.试判断
与
的大小并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f80cc25ad904604f630c0e3e8b1b2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0220015cbca814f0b33a4402696dadb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e3ce576f0766f29349db973fc22eb8.png)
(1)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d4431a6ed8ff3932c08432cc778fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.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/9d58b0e00d782782712e3ba9076ad8f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41aa1bc258c2b6edc16f60e1e3226445.png)
您最近一年使用:0次
名校
解题方法
10 . 已知椭圆
的离心率为
,且直线
与圆
相切.
(1)求椭圆
的方程;
(2)设直线
与椭圆
相交于不同的两点
﹐
,
为线段
的中点,
为坐标原点,射线
与椭圆
相交于点
,且
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef6b94e42869013745050aba059b58dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f6e613ffa032e7e893daa1970d3948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49b51a71c2d9114555bbc1357d3acf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
您最近一年使用:0次
2020-12-30更新
|
1701次组卷
|
3卷引用:四川省成都市2020-2021学年高三上学期第一次诊断性检测数学(文)试题
四川省成都市2020-2021学年高三上学期第一次诊断性检测数学(文)试题甘肃省张掖市第二中学2021-2022学年高三上学期10月月考数学文科试题(已下线)重难点 04 解析几何-2021年高考数学(文)【热点·重点·难点】专练