解题方法
1 . 已知定义在
上的两个函数
,
.
(1)若
,求
的最小值;
(2)设直线
与曲线
,
分别交于
,
两点,当
取最小值时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734c7b2eb046e56290605d91a8062f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914a49b0d7aedc593a3e87fbab7c31ca.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bca4be345087f993a4078e16c16608e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7b188eb70e0796813bb29b47d534fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.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/aaff41080fdea43eea7efedf9ebc1498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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2 . 已知
是一个动点,
与直线
垂直,垂足A位于第一象限,
与直线
垂直,垂足
位于第四象限.若四边形
(
为原点)的面积为
.
(1)求动点
的轨迹
的方程;
(2)设过点
的直线
与
,
分别相交于
,
两点,
和
的面积分别为
和
,若
,试判断除点
外,直线
与
是否有其它公共点?并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bce9bdeb6b4e2401d9907f4e3f0c540.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dc20ecfb48de46ccba10337431d7fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de6c989fd224866658230526892e2bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/784b26de6134b6d3f5a81e2882a7d7f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ffbc15ed301a4e7735e501683c3213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31dd78e9156dcf6db93f6cbcc5b43b14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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4卷引用:山西省临汾市2024届高考考前适应性训练考试(一)数学试题
山西省临汾市2024届高考考前适应性训练考试(一)数学试题2024届高三新改革数学模拟预测训练一(九省联考题型)(已下线)第四套 最新模拟复盘卷(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-1
名校
3 . 已知函数
在
上可导且
,其导函数
满足:
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33875cdd9542d54912febef6b02d014.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281bb4da5c83fd6c6f95bd1d30524600.png)
A.函数![]() |
B.函数![]() |
C.当![]() ![]() |
D.![]() ![]() ![]() |
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5卷引用:山西省临汾市2024届高考考前适应性训练考试(一)数学试题
山西省临汾市2024届高考考前适应性训练考试(一)数学试题(已下线)信息必刷卷01(已下线)模块2 专题3 构造函数 解不等式练(高考真题素材库之典型好题母题)(已下线)信息必刷卷04(江苏专用,2024新题型)辽宁省大连育明高级中学2023-2024学年高二下学期期中考试数学试卷
解题方法
4 . 如图,在正四棱柱
中,
,E,F,N分别是棱
,
,
的中点,P是
上一点,Q在平面
内,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/a1e9c17e-10c2-47ac-afa2-29df0e25fdb9.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f21c7c194c5bc2986a21fd441c81495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66fb71b75b63594ebeeeebd1963eed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dafebaaf13781120dc57c277d0267c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/18/a1e9c17e-10c2-47ac-afa2-29df0e25fdb9.png?resizew=138)
A.![]() ![]() |
B.直线![]() ![]() |
C.当![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
5 . 已知为数列
的前
项和,且
,若
,
,
是
的前
项和,求
.
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6 . 已知函数
.
(1)当
时,求
的图象在点
处的切线与坐标轴围成的三角形的面积的最小值;
(2)若关于x的不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7c9c2f119fd07461d385eceab6cabb.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/068ff25c767fcbe6fe596d996031eed1.png)
(2)若关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21c084f67798d5b6a6f6ded20dcbb8a.png)
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解题方法
7 . 已知
,
恒成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b336d412c8eeb2b2594eede7985b7fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825116eb345f5505ebc8c1cdb8a1f131.png)
您最近一年使用:0次
解题方法
8 . 已知函数
.
(1)若
,求
的图像在
处的切线方程;
(2)若
恰有两个极值点
,
,且
.
①求a的取值范围;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1091ad3396a0b24d1055592871faf379.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
①求a的取值范围;
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bd8942073cbb431bb850bf81bb8c89.png)
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9 . 如图,已知椭圆
的左、右顶点分别是
,
,上顶点为B,点P是椭圆上的一点(不同于
,
),直线
与直线
交于点M,直线
交直线
于点G(O是坐标原点),记直线
,
的斜率分别为
,
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6f69cabc-b344-4446-a984-25781dd7df40.jpg?resizew=179)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc48974114e23f5a801843710c7ae21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/19/6f69cabc-b344-4446-a984-25781dd7df40.jpg?resizew=179)
A.![]() | B.![]() |
C.![]() ![]() | D.![]() ![]() |
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2卷引用:山西省临汾市同盛实验中学2024届高三核心模拟(中)数学试题(六)
10 . 若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a517e809c28973af2905e727e482dae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33e4b54859bb0c1ed81d6acddffe393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.1 | D.2 |
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