1 . 已知函数
,
.
(1)若曲线
在点
处的切线方程是
,求
的值;
(2)若
的导函数
恰有两个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adff20375da177c18c81348e630b0339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2022-10-11更新
|
250次组卷
|
2卷引用:新疆维吾尔自治区博尔塔拉蒙古自治州博乐市新疆生产建设兵团第五师高级中学2023届高三上学期1月月考数学(理)试题
名校
解题方法
2 . 已知椭圆
为其左焦点,
在椭圆C上.
(1)求椭圆C的方程.
(2)若A,B是椭圆C上不同的两点,O为坐标原点,若
,是否存在某定圆始终与直线
相切?若存在,求出该定圆的方程;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/154ac58b9ab50db5ced5291ca81d03ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
(1)求椭圆C的方程.
(2)若A,B是椭圆C上不同的两点,O为坐标原点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1695034a4c212e5568fe41625fd2a417.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2022-05-09更新
|
638次组卷
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8卷引用:新疆博乐市高级中学2021-2022学年高三下学期文科数学试题
名校
解题方法
3 . 已知椭圆
,
为其左焦点,
在椭圆
上.
(1)求椭圆C的方程.
(2)若A,B是椭圆C上不同的两点,O为坐标原点,且
,问△OAB的面积是否存在最大值?若存在,求出这个最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9bece414af7ecb2d796dc8a6f549e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/480f004c98a0df86a35a48bc973f0472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆C的方程.
(2)若A,B是椭圆C上不同的两点,O为坐标原点,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1695034a4c212e5568fe41625fd2a417.png)
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2022-05-08更新
|
1392次组卷
|
11卷引用:新疆博乐市高级中学2021-2022学年高三下学期理科数学试题
名校
解题方法
4 . 已知椭圆
,
,
,
,
四点中恰有三点在椭圆
上.
(1)求
的方程;
(2)已知点
,问是否存在直线
与椭圆
交于
,
两点,且
,若存在,求出直线
斜率的取值范围;若不存在说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4cdce750431a4f18464e8c9e06fc33e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d504f744092a7393ef8ed94f5c96d817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15d6c9dc3e7c9599be17121e9d5d7634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de25817f4f85f11798d4b472c734964a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/887e587a4fb083a37f3d84f42874ec16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/188c76ff9a35ac24a1d84320150190dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
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2021-05-16更新
|
222次组卷
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4卷引用:新疆维吾尔自治区博尔塔拉蒙古自治州博乐市新疆生产建设兵团第五师高级中学2023届高三上学期1月月考数学(理)试题
名校
解题方法
5 . 已知函数
,函数
在点
处的切线方程为
.
(1)求
的值;
(2)对于任意
,当
时,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8b3779b90196be9cd0dc4d9a35bcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd24f3c4bc9f9a75d4b28630bb630d2b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f58a2d3caab057fd306a2e3312d2e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7cd029e1dda940ca062a828f8a72bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-12-28更新
|
151次组卷
|
2卷引用:新疆博尔塔拉州博乐市新疆生产建设兵团第五师高级中学2023届高三上学期1月月考文科数学试题
名校
6 . 已知数列
,满足
,
,
.
(1)求证:数列
为等差数列;
(2)设
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a093564f7e01d40745115a9df8bb09f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0de50de60a49ad26a5b9826b7dd2fc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd85b79372dc6e596d465f738c3c300.png)
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2020-04-27更新
|
395次组卷
|
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名校
解题方法
7 . 已知椭圆
:
(
)的离心率为
且经过点
.
(1)求椭圆
的方程;
(2)若椭圆
的左右顶点分别为
,离心率
,过点
斜率为
的直线
交椭圆
与点
,交
轴于点
.是否存在定点
,对于任意的
都有
,若存在,求
的面积的最大值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8e0515abb85830290ae4a4bf7d417f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若椭圆
![](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/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea92cbbe4dba52c4d68febf7788ce961.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfe7a785ff74d9aa4027bec2cdc06513.png)
您最近一年使用:0次
2020-03-16更新
|
205次组卷
|
2卷引用:新疆博尔塔拉州博乐市新疆生产建设兵团第五师高级中学2023届高三上学期1月月考文科数学试题
名校
解题方法
8 . 已知函数
是定义域为
的奇函数.
(1)求实数
的值;
(2)若
,不等式
在
上恒成立,求实数
的取值范围;
(3)若
且
在
上的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c30fb2c9bd0c9a43be5593482219e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b99aad5444a5ae8f6ede73df2796bf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56fbec93189276445b83c6df4e9f4866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd419251abec8e6fcffc2fe9e782d34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-10-09更新
|
2557次组卷
|
13卷引用:新疆双河市第五师高级中学2019-2020学年第二学期高一入学数学试题
新疆双河市第五师高级中学2019-2020学年第二学期高一入学数学试题2016-2017学年四川省资阳市高一上学期期末考试数学试卷四川省雅安中学2017-2018学年高一上学期期中考试数学试题云南省曲靖市会泽县第一中学2018-2019学年高一上学期期中考试数学试题【全国百强校】河南省安阳市第一中学2018-2019学年高一上学期第二阶段考试数学试题重庆市第七中学2019-2020学年高一上学期第三次月考数学试题湖北省荆州市北门中学2019-2020学年高一下学期期末数学试题江西省上高二中2021届高三上学期第二次月考数学(理)试题江西省宜春市上高二中2021届高三(上)第二次月考数学(理科)试题黑龙江省宾县第一中学2020-2021学年高一第二次月考数学试题(已下线)4.2 指数函数-2021-2022学年高一数学尖子生同步培优题典(人教A版2019必修第一册)(已下线)专题4.2 由函数性质求参数取值范围、解函数不等式 B卷-2021-2022学年高一数学单元卷模拟(易中难)(2019人教A版必修第一册)辽宁省六校2022-2023学年高三上学期10月联合考试数学试题
9 . 设数列
的前
项和为
,数列
为等比数列,且
.
(1)求数列
和
的通项公式;
(2)设
,求数列
的前
项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4300dca231e2f4b37f70900b33439d5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fde3f8aa5c315fd54610ee73c0942d6c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b7e7cd571c8cd141cbbfe5d0890bf6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2a5f8ec179b72b201c3c0a670612a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c88a7ef007c78a93e33bd77c4396626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
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2016-12-05更新
|
925次组卷
|
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11-12高三上·浙江·期中
名校
10 . 已知函数
(a为常数,
)
(1)若
是函数
的一个极值点,求a的值;
(2)求证:当
时,
在
上是增函数;
(3)若对任意的
,总存在
,使不等式
成立,求正实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77ff2462f6092045ec0ceb92650e61a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1eaf48f1ad368af0b0961322e50d74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57af9c419fa7db9c47a212d5238aa435.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fae35542c8e8114f3cfc05b400ba565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ad23d93c0e20425a3a7f3a8605a61d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fb115ff21dbb30c63eee54871c0fd74.png)
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2016-12-03更新
|
1066次组卷
|
7卷引用:新疆博尔塔拉蒙古自治州第五师高级中学2019-2020学年高三上学期第二次月考数学(理)试题
新疆博尔塔拉蒙古自治州第五师高级中学2019-2020学年高三上学期第二次月考数学(理)试题(已下线)2012届浙江省学军中学高三上学期理科数学期中考试试卷(已下线)2012届广东省汕头市二中高三五月高考前模拟理科数学试卷(已下线)2013届浙江省温州市龙湾中学高三上学期期初考试理科数学试卷(已下线)2015届广东省广州市第六中学高三上学期第一次质量检测理科数学试卷2015届江西省吉安市一中高三上学期期中考试理科数学试卷四川省广元市广元中学2022-2023学年高二下学期期中数学理科试题