2021·湖北武汉·模拟预测
名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b65926241ee865ff0d80b5119830e.png)
(1)若
,求
的极值;
(2)若
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8b65926241ee865ff0d80b5119830e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ac2dec993e1dcd5d8a848298ba0080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8120ea7515a60c8612286eca08de52e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2 . 已知函数
.
(1)讨论
的单调性;
(2)讨论关于
的方程
的实根的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f59405013585793bc30959705491dc.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11839c7b076d090d6aa584315bce9b6d.png)
您最近一年使用:0次
2021-05-27更新
|
916次组卷
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2卷引用:湖北省黄冈中学2021届高三下学期第三次模拟考试数学试题
3 . 已知函数
.
(1)求
在
处的切线方程;
(2)已知关于
的方程
有两个实根
,
,当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5869bc299083ccc575e613798c4e08.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
(2)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.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/605f3a3e93c920432a38e3390c7c31a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435960c203a6b54bd103a176a497e263.png)
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解题方法
4 . 已知椭圆
)的右焦点为
,离心率为
,经过
且垂直于
轴的直线交椭圆于第一象限的点
,
为坐标原点,且
.
(1)求椭圆
的方程;
(2)设不经过原点
且斜率为
的直线交椭圆于
两点,
关于原点
对称的点分别是
,试判断四边形
的面积有没有最大值,若有,请求出最大值;若没有,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e079c1a09c582be4a5225ef48b98a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef66c131543780acc9cac60e06d56b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eb051f1d2b32c0130928f4747d8431.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
(2)设不经过原点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
您最近一年使用:0次
2021-05-17更新
|
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9卷引用:湖北省宜昌市夷陵中学2020-2021学年高二下学期5月阶段性检测数学试题
名校
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db66673dc05c28d381aedc4c5b77706f.png)
(1)若函数
在
上单调递减,求
的取值范围;
(2)若函数
在定义域内没有零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db66673dc05c28d381aedc4c5b77706f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d655ee6d4c2285b6f59652360862d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2021-05-16更新
|
2354次组卷
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5卷引用:湖北省襄阳市第五中学2021届高三下学期5月第二次模拟考试数学试题
湖北省襄阳市第五中学2021届高三下学期5月第二次模拟考试数学试题(已下线)专题01 导数及其应用-2020-2021学年高二数学下学期期末专项复习(苏教版选修2-2、2-3)(已下线)一轮大题专练5—导数(零点个数问题1)-2022届高三数学一轮复习(已下线)第25讲 同构法解零点问题与恒成立问题-突破2022年新高考数学导数压轴解答题精选精练(已下线)第30讲 整数解问题之分离参数-突破2022年新高考数学导数压轴解答题精选精练
名校
6 . 设
.
(1)求证:函数
一定不单调;
(2)试给出一个正整数
,使得
对
恒成立.
(参考数据:
,
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18087d8b7d18c6b28837250f65168513.png)
(1)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a2e5749d0a6e895187bb3cff9c9445.png)
(2)试给出一个正整数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256e9b4e2210a3746bb8f6b782da8b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62fd0d86857c4347a8186fa363ee631.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07df412833b49d563d58219b70ede0b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e76dc56779402562bf991f546d345b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada464c2e05d4f3779f5590f12fb202c.png)
您最近一年使用:0次
2021-05-16更新
|
918次组卷
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3卷引用:湖北省武汉市蔡甸区汉阳一中2021届高三仿真模拟(六)数学试题
7 . 已知函数
.
(1)讨论
的单调性;
(2)若不等式
对任意的
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ba6cad61e0440fb04c2a13a1dc5fad.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/129bfd144400bb6f36aaae3ae32884b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/737c165baced95d7095d9f918a9cc110.png)
您最近一年使用:0次
2021-05-14更新
|
959次组卷
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3卷引用:湖北省2021届高三下学期5月新高考模拟联考数学试题
8 . 已知抛物线
的焦点为点
,
为
上一点,若点
到原点的距离与点
到点
的距离都是
.
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718899133743104/2720754833006592/STEM/b9b76eb5-100a-499f-9713-1d0d29b5bacd.png?resizew=192)
(1)求
的标准方程;
(2)动点
在抛物线
上,且在直线
的右侧,过点
作椭圆
的两条切线分别交直线
于
,
两点.当
时,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
![](https://img.xkw.com/dksih/QBM/2021/5/11/2718899133743104/2720754833006592/STEM/b9b76eb5-100a-499f-9713-1d0d29b5bacd.png?resizew=192)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0b4bbfa0ed04cd3c2454d99d64e29c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.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/a307e03ef63f06fb883eb00ebb44657b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)判断函数
的零点个数;
(2)求证:
有两个极值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16a6088e0429bf05c875a872949eb3c1.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)求证:
![](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/ab4df577da74d529229e6f17dea02d73.png)
您最近一年使用:0次
2021-05-14更新
|
1057次组卷
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5卷引用:湖北省武汉市第二中学2021-2022学年高三上学期暑期模拟数学试题
湖北省武汉市第二中学2021-2022学年高三上学期暑期模拟数学试题湖南省长沙市一中2021届高三下学期一模数学试题湖南省长郡、雅礼、一中、附中联合编审名校卷(全国卷)2021届高三月考数学理科试题(九)山西大学附属中学2020-2021学年高二下学期期中理科数学试题(已下线)第22题 导数在证明不等式中的应用-2021年高考数学真题逐题揭秘与以例及类(新高考全国Ⅰ卷)
10 . 已知椭圆
的四个顶点围成的四边形的面积为
,右焦点
到直线
的距离为
.
(1)求椭圆
的方程;
(2)过点
的直线
与椭圆
相交于
,
两点,过点
作直线
的垂线,垂足为
(点
,
在点
,
之间).若
与
面积相等,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b91d650c2fc1a741fabdb333b09aeb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23fc11a3a7592c68b20f93bdde2ed3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/843e3f8c3314d51a322c6122a13745c5.png)
![](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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49fce52d6bfed149469fb25056e9878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4feac959de9a919e387148000bc1a873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2021-05-11更新
|
778次组卷
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2卷引用:湖北省黄石市有色一中2021届高三下学期5月模拟考试数学试题