1 . 已知
,函数
,
.
(1)讨论
的单调性;
(2)过原点分别作曲线
和
的切线
和
,试问:是否存在
,使得切线
和
的斜率互为倒数?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7600c9a7de088a9f88bf0447e22d0bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d922e63d8a0838da6fdacee919ccd.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)过原点分别作曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2 . 已知函数
.
(1)讨论
的单调性;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98aa288dcaeae644882be3d724a6eff6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff9e1262b3cb65a4428afc0e28395bd3.png)
您最近一年使用:0次
2023-02-22更新
|
612次组卷
|
6卷引用:宁夏中卫市2023届高三一模数学(理)试题
宁夏中卫市2023届高三一模数学(理)试题云南省楚雄州2023届高三上学期期末教育学业质量监测数学试题(已下线)模拟检测卷03(文科)陕西省商洛市2022-2023学年高二下学期期末理科数学试题(已下线)模块一 专题4 函数单调性的分类讨论问题(人教A)(已下线)云南省昆明市2024届高三“三诊一模”摸底诊断测试数学试题变式题17-22
名校
解题方法
3 . 在直角坐标系
中,动点M到定点
的距离比到y轴的距离大1.
(1)求动点M的轨迹方程;
(2)当
时,记动点M的轨迹为曲线C,过F的直线与曲线C交于P,Q两点,直线OP,OQ与直线
分别交于A,B两点,试判断以AB为直径的圆是否经过定点?若是,求出定点坐标;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
(1)求动点M的轨迹方程;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
您最近一年使用:0次
2023-02-19更新
|
544次组卷
|
6卷引用:宁夏中卫市2023届高三一模数学(理)试题
名校
解题方法
4 . 已知函数
.
(1)若
恒成立,求a的取值范围;
(2)若函数
存在两个极值点
,且
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66c6ac7c3f7afc2e6c261eaadee2765a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b666663ce3537a634a3b427b418eb62.png)
(2)若函数
![](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/67b62d404c60e0b1737eafa512a7bb6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83d9094c09c92610daca8a629d8fb908.png)
您最近一年使用:0次
2023-02-05更新
|
514次组卷
|
5卷引用:宁夏中卫市2023届高三二模数学(理)试题
5 . 已知抛物线
经过点
.
(1)求抛物线
的方程;
(2)动直线
与抛物线
交于不同的两点
,
,
是抛物线上异于
,
的一点,记
,
的斜率分别为
,
,
为非零的常数.
从下面①②③中选取两个作为条件,证明另外一个成立:
①
点坐标为
;②
;③直线
经过点
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)动直线
![](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/dad2a36927223bd70f426ba06aea4b45.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/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
从下面①②③中选取两个作为条件,证明另外一个成立:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ca6a90ebd1486668a78b938e003e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40c04c1b0a7ba45962889b559b20d484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce6ce0e134669fcdf7329c01eae9096.png)
您最近一年使用:0次
2023-01-20更新
|
610次组卷
|
5卷引用:宁夏中卫市2023届高三一模数学(文)试题
宁夏中卫市2023届高三一模数学(文)试题江苏省南通市海门区2022-2023学年高三上学期期末数学试题(已下线)模块三 专题12 抛物线 B能力卷(已下线)模块三 专题15 抛物线 B能力卷(已下线)技巧04 结构不良问题解题策略(5大题型)(练习)
名校
解题方法
6 . 已知椭圆
的左、右焦点分别为
,离心率为
,过左焦点
的直线
与椭圆
交于
两点(
不在
轴上),
的周长为
.
(1)求椭圆
的标准方程;
(2)若点
在椭圆
上,且
为坐标原点),求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453ea8f3a2b85526b54bf453871c3820.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若点
![](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/0c8d68257ba90d0b05303d8d4a7bae33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2afc87067a2c8ee603eb8903bac424a.png)
您最近一年使用:0次
2023-02-14更新
|
662次组卷
|
7卷引用:宁夏中卫市2023届高三二模数学(理)试题
7 . 已知函数
在
处的极值是2,
,
.
(1)求
,
的值;
(2)函数
有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9417bd5ab7d19a64b500d7f793ee471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5b9f57d3634f8337f1414f8a2a2dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-12-04更新
|
388次组卷
|
3卷引用:宁夏中卫市海原县第一中学2020-2021学年高二下学期期中数学试题(文)
宁夏中卫市海原县第一中学2020-2021学年高二下学期期中数学试题(文)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(已下线)5.3 导数在研究函数中的应用(练习)-高二数学同步精品课堂(苏教版2019选择性必修第一册)
名校
8 . 已知函数
.
(1)若
,证明:
;
(2)若
在
上有两个极值点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d6609f39dfd6a3820204a6e8b5f001.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f751007fe59964fcc05ccb00099a5199.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261f9fd5f3d2a67143cdf65cca376c73.png)
您最近一年使用:0次
2021-08-16更新
|
250次组卷
|
2卷引用:宁夏中卫市第一中学2022届高三上学期第二次月考数学(文)试题
名校
解题方法
9 . 如图,椭圆
:
的一个顶点为
,离心率为
.
,
是过点
且互相垂直的两条直线,其中,
交圆
:
于
,
两点,
交椭圆
于另一点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/5266f371-7c9d-40af-b2ac-702a84b43040.png?resizew=209)
(1)求椭圆
的方程;
(2)求
面积取最大值时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6951479694aec937a712901634a5a4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.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/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/5266f371-7c9d-40af-b2ac-702a84b43040.png?resizew=209)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
您最近一年使用:0次
2021-06-03更新
|
422次组卷
|
2卷引用:宁夏中卫市2022届高三第一次模拟数学(理)试题
解题方法
10 . 已知函数
,其中
.
(1)当
,
时,证明:
;
(2)若函数
恒成立,求实数
的取值范围;
(3)若函数
有两个不同的零点
、
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d18b6ae9f8f1c3a527bdd1997ab180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70335f500e874f78cea2949103bb097f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a42dd76ab96855910f7e83aee8aa9aee.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/2871a8fc9b28da8f3a885e24f7ce9979.png)
您最近一年使用:0次