名校
1 . 如图,四边形
中,
,
,
,
,
,
,
分别是线段
,
上的点,且
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f79863ffcfa63117ca6741b20a48e69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc4f3da376bd01ef33579e6eecc6f047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aea3da063704ef14c4dabc196ced0b05.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae6265c1e609d61e28ddd98560dddba6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd92ed9c7d216873545ea59101b6ce1b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/31/19045b4b-a670-4a3d-b3a9-820fc92f5734.png?resizew=139)
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5卷引用:天津市和平区2021届高三下学期一模数学试题
天津市和平区2021届高三下学期一模数学试题(已下线)天津市和平区2021届高三下学期第一次质量调查数学试题天津市宝坻区第一中学2020-2021学年高三上学期第二次月考数学试题浙江省湖州市天略高中2021-2022学年高三上学期期末模拟数学试题(已下线)第8章 平面向量(章节压轴题解题思路分析)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)
名校
解题方法
2 . 已知
,
,
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072993e4e9171df537925eb207d7f259.png)
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6卷引用:天津市南开区2021届高三下学期一模数学试题
天津市南开区2021届高三下学期一模数学试题天津市五校2021-2022学年高三上学期期中联考数学试题天津市蓟州区第一中学2023-2024学年高三上学期第二次学情调研数学试题(已下线)2.2 基本不等式(精讲)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)云南省泸水市怒江新城新时代中学2023届高三上学期期末考试数学试题天津市天津中学2023-2024学年高二下学期期中考试数学试卷
名校
3 . 在
中,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
______ ;若
,
,
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a19502b4fc234d660b901f8b9f6d9d89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c26a46e7879436d532af3f4b6e258a81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c16ad533528914c256d9855d82931f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a04f1cdc015f38f5cee32ea29138e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5f651a0f32c32d43a5e629e6e3fd479.png)
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8卷引用:天津市南开区2021届高三下学期一模数学试题
天津市南开区2021届高三下学期一模数学试题天津市静海区第六中学2021-2022学年高三上学期第三次月考数学试题天津市滨海新区塘沽第一中学2022届高三下学期4月统练数学试题天津市南仓中学2022-2023学年高三上学期第一次教学质量过程性监测与诊断数学试题天津市南开区翔宇学校2022-2023学年高三上学期期末数学试题天津市新华中学2023届高三下学期统练5数学试题(已下线)押第3题 平面向量-备战2021年高考数学(理)临考题号押题(全国卷2)(已下线)第8章 平面向量(章节压轴题解题思路分析)-2020-2021学年高一数学下册期中期末考试高分直通车(沪教版2020必修第二册)
名校
解题方法
4 . 已知曲线
与
轴交于点
,曲线在点
处的切线方程为
,且
.
(1)求
的解析式;
(2)求函数
的极值;
(3)设
,若存在实数
,
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6ebe6a84628dabce5e33915ebf4e922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dbf0e4c6778c36cf9408dd0c5158889.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44e27563a636450f7f6b0c3f30fbb934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25db178c590b82807ba7de0f4b003383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd6ead8ded85655ce9c92d49f142c84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2015b2471ae8ce4db6204fa0c3b030e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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10卷引用:天津市南开区2021届高三下学期一模数学试题
天津市南开区2021届高三下学期一模数学试题(已下线)2021年高考数学押题预测卷(天津卷)03黑龙江省哈尔滨九中2021届高三四模数学(理)试题(已下线)专题4.17—导数大题(任意、存在性问题)-2022届高三数学一轮复习精讲精练(已下线)专题2.15 导数-存在性问题-2021年高考数学解答题挑战满分专项训练(新高考地区专用)上海市金山中学2023届高三核心素养检测数学试题(已下线)【新东方】高中数学20210429—013【2021】【高二下】(2)(已下线)专题12 用导数研究函数(重点)-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)期末测试卷01-2020-2021学年高二数学下学期期末专项复习(北师大版2019选择性必修第一册、第二册)(已下线)全册综合测试模拟三 -【新教材精创】2020-2021学年高二数学新教材知识讲学(人教A版选择性必修第二册)
5 . 已知椭圆
的左、右焦点分别为
,
,右顶点为点
,点
的坐标为
,延长线段
交椭圆于点
,
轴.
(1)求椭圆的离心率;
(2)设抛物线
的焦点为
,
为抛物线上一点,
,直线
交椭圆于
,
两点,若
,求椭圆的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed6b9540857e386651e191a0a5b5a98.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c8f7dc8509f4194eae9709b9d67ede.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b85b7fea69161055ff26e549088c606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9a7ab181883910f06f7fbecc6ea25d.png)
(1)求椭圆的离心率;
(2)设抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eba2e14dd3d24954936142d3e411bf43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9a286eff1c51566e9f842c004cd27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5105c77358b3f7c88efe1857f8084cf3.png)
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6 . 已知函数
若方程
有5个不等实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f9e633df30697bd3fd9323a8ae85dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d82c182cfb6296af2ce72d400eb0eafb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:天津市南开区2021届高三下学期一模数学试题
7 . 已知定义在R上的函数
,若函数
恰有2个零点,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d79bfe2d01573d0fad90796abc19f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717833ac78aca395bd5c8cb943237667.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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6卷引用:天津市十二区县重点学校2021届高三下学期毕业班联考(一)数学试题
名校
8 . 已知
,(n为正整数,
)
(Ⅰ)若
在
处的切线垂直于直线
,求实数m的值;
(Ⅱ)当
时,设函数
,
,证明:
仅有1个零点.
(Ⅲ)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/776f44a223b7c61d5a9074f052689472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d585d2d6643471640905d234d9538c5.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87b351f16728b0023fd63678f8103c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa846eba17cc6a90f0d688aef41b5bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e01b6fb6a1c7a895df528382a5583444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(Ⅲ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc17582694e2f6309deee5b9792b844.png)
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4卷引用:天津市十二区县重点学校2021届高三下学期毕业班联考(一)数学试题
天津市十二区县重点学校2021届高三下学期毕业班联考(一)数学试题天津市南开中学2021-2022学年高三上学期第四次学情调查数学试题(已下线)专题2.13 导数-零点问题-2021年高考数学解答题挑战满分专项训练(新高考地区专用)天津市崇化中学2021-2022学年高二下学期期中数学试题
9 . 等差数列
的前n项和为
,数列
是等比数列,满足
,
,
,
.
(Ⅰ)求数列
和
的通项公式;
(Ⅱ)若数列
满足
,求数列
的前
项和
.
(Ⅲ)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59dd6c97d2ee3e74ba5730f1cbcc1d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eab012ccad381f23d7796cd205eaa399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/364f8ccb16e0dd0873291c9f351d6ffb.png)
(Ⅰ)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(Ⅱ)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f68469b232b7261a2609393e2b3c9234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d51f9147b8265c0276c1f2c2659197.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbd85b79372dc6e596d465f738c3c300.png)
(Ⅲ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161e57a621d07dd2e636869ba281d1a8.png)
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4卷引用:天津市十二区县重点学校2021届高三下学期毕业班联考(一)数学试题
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解题方法
10 . 已知
,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c730a3973fedee4f0df156d0472e861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d733da5fc73a29b4b1e157fd4a221c79.png)
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6卷引用:天津市十二区县重点学校2021届高三下学期毕业班联考(一)数学试题