1 . 若数列
满足:
,则定义数列
为函数
的“切线——零点数列”.已知
,数列
为函数
的“切线——零底数列”,
,若数列
满足
,则数列
的前n项和![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6427f3452c42c2d90cacb31c70be6160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ff73150f86419bd7f0415942a5df4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0023881e17aee452f536bbf864a1f8f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/916be44adc9ba27d4d79bf21fdf07368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c2864e2ec3416cc4c081ac1f71a0af.png)
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375次组卷
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4卷引用:福建省福州第三中学2023-2024学年高二上学期1月期末数学试题
福建省福州第三中学2023-2024学年高二上学期1月期末数学试题黑龙江省哈尔滨市第九中学校2023-2024学年高二下学期4月月考数学试题(已下线)模块四 专题5 重组综合练(黑龙江)(8+3+3+5模式)(北师大版高二)(已下线)数学(北京卷03)
名校
解题方法
2 . 已知
.
(1)若
,求不等式
的解集;
(2)存在区间
,求
的最大值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24da436f7ec242fb65ed7458f5785b6d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4d1f077b7e7fa236e918b85480c6e38.png)
(2)存在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2ebe3cf51f0a73bdeb9c396c78e68e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95745d8159f65ea60ada2c34d0c30af.png)
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名校
解题方法
3 . 若双曲线
的一个焦点是
,且离心率为2.
(1)求双曲线
的方程;
(2)已知点
,过焦点
的直线
与双曲线
的两支相交于A,B两点,求直线MA和MB的斜率之和的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63309dbc3612815f6dbdee23d9a10adc.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6b0fc22034c9db29b23c4cf9faf5af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
4 . 已知双曲线
:
的下、上焦点分别为
,
.点
在
轴上,线段
交
于
点,
的内切圆与直线
相切于点
,则线段
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acca1c00ee33a8d7aabf1d626541259e.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fea5f7430235e65d2c2e6b2ecc46712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16c755ab3fea6ca99b13193a5d7e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dca049735b45fb9b2533c68605eddc.png)
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名校
5 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e209348609b0840390bc0168ccc426a0.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.当![]() ![]() ![]() |
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2卷引用:福建省福州第十八中学2023-2024学年高二上学期期末考试数学试卷
6 . 已知函数
及其导函数
的定义域均为
,若
是奇函数,
,且对任意
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334c386399ee9379c52f3ff0dd26afde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bc1ac00b1c8ca99eb3b9991f4f2314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da15b707bf690f2727de914b35e25367.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-10更新
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4卷引用:福建省福州第三中学2023-2024学年高三下学期第十六次检测(三模)数学试题
名校
7 . 已知函数
.
(1)设函数
,若函数
在区间
上存在极值,求实数a的取值范围;
(2)若函数
有两个极值点
,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5da6fb8d4171620cf94e5a0d174c22.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b3ce55733ef12e190ddc46f1e751d61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.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/59161860ef559c446695eabf1603bafd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4af1f44f51b26e687ca93c301720b431.png)
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3卷引用:福建省福州市平潭县新世纪学校2023-2024学年高二下学期3月适应性练习数学试题(一)
8 . 已知数列
的前
项和
,数列
满足:
.
(1)证明:
是等比数列;
(2)设数列
的前
项和为
,且
,求
;
(3)设数列
满足:
.证明:
.
![](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/5886e031a95a8d52c9306e6b1c518abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f2ecc6870129d1b5fa7f97b0824b83.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/921439ba032dd3fdec48755411b04533.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.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/18ec3b51bbda2de5b7a2e0360c8adc46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(3)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b783cf91e34e692ce8e171f0965cb53f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8eb0aeb50edc4bfa079dc925aade88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2cbe03ddf8f76a8d983ad63277ea2a3.png)
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4卷引用:福建省福州第一中学2023-2024学年高二上学期第二学段模块考试数学试卷
福建省福州第一中学2023-2024学年高二上学期第二学段模块考试数学试卷福建省莆田第二中学2023-2024学年高二下学期3月月考数学试卷(已下线)江苏省南通市2024届高三第二次调研测试数学试题变式题 16-19(已下线)江苏省泰州市2024届高三第二次调研测试数学试题变式题16-19
名校
9 . 光线从椭圆的一个焦点发出,被椭圆反射后会经过椭圆的另一个焦点;光线从双曲线的一个焦点发出,被双曲线反射后的反射光线等效于从另一个焦点射出,如左图,一个光学装置由有公共焦点
、
的椭圆
与双曲线
构成,
与
的离心率之比为
,现一光线从左焦点
发出,依次经
与
反射,又回到了点
,历时
秒;若将装置中的
去掉,如图,此光线从点
发出,经
两次反射后又回到了点
,历时
秒,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f686dba2d99ad0c492169ee7f0ee3b8.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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c60fe5130254a1d38bb4fd0015630f6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87c7eb49a823f757461cd5260757b088.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa35373ec4e4684107b42adb7a5161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd84a8f95166367063218ee03ffd5a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f686dba2d99ad0c492169ee7f0ee3b8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/4/00d5394b-cf93-4340-ba4b-b6bbf47dac73.png?resizew=350)
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名校
10 . 某数学兴趣小组研究曲线
和曲线
的性质,下面同学提出的结论正确的有( )
甲:曲线
都关于直线
对称
乙:曲线
在第一象限的点都在椭圆
内
丙:曲线
上的点到原点的最大距离为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d188d87a33706615d669cb0d220710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7be9aa01e9ac4ad0087b2942261a09.png)
甲:曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
乙:曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bced7457d2e2c88d336ce5e4534a148.png)
丙:曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
A.3个 | B.2个 | C.1个 | D.0个 |
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4卷引用:福建省福州第一中学2023-2024学年高二上学期第二学段模块考试数学试卷