名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
,
(1)设
,解关于
的不等式
;
(2)当
时,求函数
的最大值;
(3)若对任意的
,都有
恒成立,求正实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3537fd5a8075d79abefb13c21a5243e3.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4f0bac314c6e6d01a4cf024da3b0f9.png)
(3)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca66412bfd2bd11caa6af63786278a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2a8a872259fa4d5801d2ff110314944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
的长轴是短轴的2倍,且右焦点为
,点B在椭圆上,且点C为点B关于x轴的对称点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/bd3d3166-4ceb-4909-abb0-95b089ef1c76.png?resizew=251)
(1)求椭圆C的标准方程;
(2)若点B在第一象限且
为等边三角形,求该等边三角形的边长;
(3)设P为椭圆E上异于B,C的任意一点,直线
与x轴分别交于点M,N,判断
是否为定值?若是,求出定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce176fdfbb44b8459f441a8d805013f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/bd3d3166-4ceb-4909-abb0-95b089ef1c76.png?resizew=251)
(1)求椭圆C的标准方程;
(2)若点B在第一象限且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebcc52a06d806fde891e09a0a389fcd4.png)
(3)设P为椭圆E上异于B,C的任意一点,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589c3cc1f331dbb2248b0829039df7f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43995a8753fb39e768bc0e04a0e2a7b3.png)
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2022-10-28更新
|
1022次组卷
|
4卷引用:北京市第一五六中学2021-2022学年高二上学期期中数学试题
北京市第一五六中学2021-2022学年高二上学期期中数学试题(已下线)第04讲 圆锥曲线综合(练)北京市第一五六中学2023-2024学年高二上学期期中测试数学试题(已下线)重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-2
名校
解题方法
3 . 已知函数
.
(1)令
,讨论
的单调性并求极值;
(2)令
,若
有两个零点;
(i)求a的取值范围:
(ii)若方程
有两个实根
,
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eca646a9f0e0060891a82c39e33dd6af.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0bb9e98b6699fbfed3772d75c6bbe46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/155064e0bec1198c32041d1daf82e678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(i)求a的取值范围:
(ii)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1b97fbb2cf9a6b3d290e921d8a9a67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6677f8f96f7982de5637c229a49e4b37.png)
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2022-10-26更新
|
2205次组卷
|
10卷引用:天津市滨海七校2020-2021学年高三上学期期末联考数学试题
天津市滨海七校2020-2021学年高三上学期期末联考数学试题天津市第二南开学校2021-2022学年高三上学期期中数学试题天津市耀华中学2022届高三下学期统练9数学试题四川省绵阳南山中学2022-2023学年高三上学期绵阳一诊热身考试理科数学试题黑龙江省哈尔滨市第九中学校2022-2023学年高三上学期第三次月考数学试题天津市北京师范大学天津附属中学2022-2023学年高三上学期期末数学试题(已下线)第二篇 函数与导数 专题6 函数周期性、对称性、拐点 微点2 函数的拐点与对称中心天津市实验中学滨海学校2022-2023学年高二下学期期中数学试题(已下线)模块八 专题11 以函数与导数为背景的压轴解答题(已下线)北京市丰台区2023届高三下学期3月一模数学试题变式题16-21
4 . 已知双曲线E:
(
,
)一个顶点为
,直线l过点
交双曲线右支于M,N两点,记
,
,
的面积分别为S,
,
.当l与x轴垂直时,
的值为
.
(1)求双曲线E的标准方程;
(2)若l交y轴于点P,
,
,求证:
为定值;
(3)在(2)的条件下,若
,当
时,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/681ab02a01fa41c784b688575fe90539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74110bc818c2f5a53d63451c5251eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436a2732e9c9d5ce401c448cd9de80e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b72cb228a0747bf4b779cc337749a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3a5255a0a61f4d297874ecd1967b01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b690956d61cb5a9f955a87093856eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc2628ebeec39f2ff82e216e780e3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9cdbc51da77d74d60ef8e2878fa2dea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac8a4086cd8af00e89c57fdfd905114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd72016a9855cbf0056ff732fe872612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac8a4086cd8af00e89c57fdfd905114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fa84eb397ffcbbf3a26d95e50f0e7db.png)
(1)求双曲线E的标准方程;
(2)若l交y轴于点P,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da8f34c9aba5a3834c8d2c76701366c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ccee36f0ebe053f4bd976b31aab0efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff141a77e796894f84d0104f8f947e8a.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165e3984c374e63ff90022b333efa103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a11319d09d138b1ecc48692209ceec.png)
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2022-10-25更新
|
2089次组卷
|
5卷引用:重庆市第八中学校2023届高三上学期高考适应性月考(二)数学试题
名校
5 . 已知
,函数
.
(1)证明:函数
都恰有一个零点;
(2)设函数
的零点为
的零点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b74110bc818c2f5a53d63451c5251eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/114f676b7c89e9d5e7586c7a095be885.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c5f7c040de916d2c3b6bf2f75ec454f.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb788ae88e457017bb81120b6a2e5ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2412d2997aa629b1bed2fbcd2cbc0cb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080d957bc1f78293159f23af75b7e7fe.png)
您最近一年使用:0次
名校
6 . 已知函数
.
(1)当
时,
,求整数
的最小值;
(2)若
,且
,证明:
只有一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8abe21664b2e52b6fa99382560c9995.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1897647acfddc8d58dad1a89ce36354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37852200a5b593e465150cb8060ae582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2fdeba282b028321696be7f90f2cbfe.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03996df76b03f6eede3cda8c9f9b5c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a8e5e8c3164de6c529a6a8eb7edd8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2022-10-25更新
|
363次组卷
|
2卷引用:江苏省南京市第十三中学2022-2023学年高三上学期学情调研四数学试题
名校
7 . 已知函数
.
(1)若
,讨论
的单调性;
(2)若不等式
恒成立,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/748b1045dc5b5dc5261595f37eed9924.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1259df7fa6711d64d7f5bd55924db77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b71863f206452038f669fde80e38cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15befbdad977723a86194979c675ee5d.png)
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2022-10-25更新
|
472次组卷
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2卷引用:河北省唐山市开滦第一中学2023届高三上学期第一次校际联考数学试题
名校
解题方法
8 . 已知函数
.
(1)证明:
;
(2)讨论函数
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1071b3ceee02ea04fd660342f99ec9a.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f0183f5676f3d87c1457f3eecadb2d.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16218ea332d7f44ffeb81bc0a1aeba65.png)
您最近一年使用:0次
9 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)若
为整数时,当
时,
恒成立,求
的最小值.
(参考数据:
,
,
…)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ccd5ddafea9d91b7998a9804510b30.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1487e9e4bd2c25c594e655e95c44d574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89f4eff3125c5e63a994ba1ad5be58e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3907da01aa2971e05262ecf58bafe27d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb17e63405b6b277e3b7708db45b1acd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53c18d3b7ba956a1ec73418e6db9731.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/513a35ae910bca53a42c53ee6269e31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e1c7b87265a4620b5fef8c54d9b3e1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69021542a48da7ee916fedbdae63a1e6.png)
您最近一年使用:0次
解题方法
10 . 已知函数
.
(1)当
时,
,求
的取值范围;
(2)设
,且
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afbe04317d4da8ca78289deee79fe089.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc3955da00b5a56ce8412d13b2bd1f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次