名校
1 .
,若
有且只有两个零点,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3674866b157f3e7912b53c9cb3e8cee3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151a63686f67da8d0534026099971755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
2 . 已知双曲线
的左、右焦点分别为
、
,经过
的直线交双曲线的左支于
,
,
的内切圆的圆心为
,
的角平分线为
交
于M,且
,若
,则该双曲线的离心率是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04fcc5ec265884288515338b828a418c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f248266bcff70c440317feccf475f3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1eb15d354e4ef64e6f4297edc8acd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eb9501525f03a072cec39900cd3a47a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577038bb08b939d9df231583107ba327.png)
A.![]() | B.![]() | C.![]() | D.2 |
您最近一年使用:0次
2024-03-03更新
|
1344次组卷
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3卷引用:天津市南开中学2023-2024学年高三下学期第五次月考数学试题
天津市南开中学2023-2024学年高三下学期第五次月考数学试题2024届广东省(佛山市第一中学、广州市第六中学、汕头市金山中学、)高三六校2月联考数学试卷(已下线)第1题 双曲线的离心率问题(5月)(压轴小题)
3 . 已知椭圆C:
,若椭圆的焦距为4且经过点
,过点
的直线交椭圆于P,Q两点.
(1)求椭圆方程;
(2)求
面积的最大值,并求此时直线
的方程;
(3)若直线
与x轴不垂直,在x轴上是否存在点
使得
恒成立?若存在,求出s的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347b68f42934c74e0d759a67613a1da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39dad657ef82bcc0e05077a859f16b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25050138e5f3f481c6c2b04e03ad4d5d.png)
(1)求椭圆方程;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2969ed9ba40bbcb2a5aa64d44f099785.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
(3)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e430f13f42cf2d44aa0f0e20b959684f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e22ccf383840e92e1aa33a15b874aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47fad1530eff87a020a1a947cfb56258.png)
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解题方法
4 . 已知函数
.(注:
是自然对数的底数).
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,函数
在区间
内有唯一的极值点
.
①求实数a的取值范围;
②求证:
在区间
内有唯一的零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dd929466e5c6154e117736e7f6a44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a6e994de8c5b24d0a7c460bdffba4b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
①求实数a的取值范围;
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76dfbda3e7b9b432b2204130c53eb75.png)
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|
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3卷引用:天津市南开中学2024届高三第四次月检测数学试卷
5 . 已知数列
满足:
,正项数列
满足:
,且
,
,
.
(1)求
,
的通项公式;
(2)已知
,求:
;
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f51d2d57bb9a400d2051f325b614419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68783e644e41b5a3aac4e81d44ba5f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffaa768f1232ff14bcd2cdd438ce53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1273751a0b5a984cf01c2d0e00e474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb27d03d22ec55dbf33d6d9d3c44854f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e0c7c3411a1f192200d24f7161d4a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ca23ce02583bd8fe3b9d06d99e0e3c.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dacb1f9b17bb176ab57962aa783179ad.png)
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2024-03-03更新
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4卷引用:天津市南开中学2024届高三第四次月检测数学试卷
天津市南开中学2024届高三第四次月检测数学试卷江西省南昌市第十九中学2023-2024学年高二下学期3月月考数学试题广东省珠海市斗门区第一中学2023-2024学年高二下学期第一次月考数学试题(已下线)模型2 用放缩思想速解不等式证明问题模型(高中数学模型大归纳)
名校
6 . 牛顿迭代法又称牛顿—拉夫逊方法,它是牛顿在17世纪提出的一种在实数集上近似求解方程根的一种方法,具体步骤如下:设
是函数
的一个零点,任意选取
作为
的初始近似值,过点
作曲线
的切线
,设
与
轴交点的横坐标为
,并称
为
的1次近似值;过点
作曲线
的切线
,设
与
轴交点的横坐标为
,称
为
的2次近似值,过点
作曲线
的切线
,记
与
轴交点的横坐标为
,并称
为
的
次近似值,设
的零点为
,取
,则
的2次近似值为__________ ;设
,数列
的前
项积为
.若任意的
恒成立,则整数
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27c0ab3e2d7698f082854bafe4174dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c8cf8ef9c8e9c7aa526b1dc2be7717a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a5b0f908cdae073db61be5b42fbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29a5b0f908cdae073db61be5b42fbcf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a0876215b2fd463d151523cd3c6b447.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f0ca1c5d4a86c94794835319cd62e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/909736dad505d81be43aef91e6309bf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d617a6481c29955f4b24679bba78a1ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45e47a1b2b9268a2490f6f8f8b7d621b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
7 . 定义在
上的单调函数
满足:
,则方程
的解所在区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc654ed771cff6d1eb922f06518a8fef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07c194fa947deb6872fbad3c2b3422d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-22更新
|
368次组卷
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3卷引用:天津市南开区2023-2024学年高一上学期阶段性质量监测(二)数学试题
天津市南开区2023-2024学年高一上学期阶段性质量监测(二)数学试题江西省新余市第一中学2023-2024学年高一下学期第一次段考数学试卷(已下线)专题7 嵌套函数与函数迭代问题(过关集训)(压轴题大全)
8 . 已知数列
,
,即当
时,
,记
.
(1)求
的值;
(2)求当
,试用
、
的代数式表示
;
(3)对于
,定义集合
是
的整数倍,
,且
,求集合
中元素的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2442c76ceea05744159b899c439f8420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7abe7a19c6be682d6212d4c097a47859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808d924a0869b4fd83c2af3a9c08c755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21d7086ab24e85a3a109596d2112065.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48990b6e63ba2d3697523faab15d4846.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addee6ce5163a2580888ce2da22714af.png)
(2)求当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48274064a0078b8edf9d0899d6e734de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/696d0e6b9013d2e5fdf3feb280c58e18.png)
(3)对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e463157fe32537671ad929c398103290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c400c5ac7423818649bd5d6d2dc51ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b8fcf5a8010539c75dd3a2e273b232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457713c3ada6b1bf0b7242fe48635a0d.png)
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2024-01-15更新
|
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2卷引用:天津市南开中学2024届高三上学期第三次月考数学试题
名校
9 . 已知函数
,(
为自然对数的底数).
(1)求曲线
在
处的切线方程
(2)若不等式
对任意
恒成立,求实数
的最大值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8294bb352cef50b3a8961fcf0474aa6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e69e0bad37111c1169746941ac1f833.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f47dd5fc03cf0d593fcf67b5d18d1c2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9f2416d1f75a45a314331146550832e.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bac345bdfae4f716fde3946ed3708c2.png)
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名校
解题方法
10 . 设
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88fc89666b50a837b02a5dc32d64c3c.png)
.若
在
上单调递增,且函数
与
的图象有三个交点,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3abb69741dedc2b3b98236c4462b8bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88fc89666b50a837b02a5dc32d64c3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be99934a52c1404f8e0b3660876c57c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57de2b98aaa40501a8021eddd9a46793.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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2023-10-09更新
|
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4卷引用:天津市南开区南开中学2024届高三上学期统练6数学试题
天津市南开区南开中学2024届高三上学期统练6数学试题天津市耀华中学2024届高三上学期第一次月考数学试题(已下线)天津市耀华中学2024届高三上学期第一次月考数学试题变式题11-15上海市格致中学2023-2024学年高一下学期期中考试数学试卷