名校
解题方法
1 . 设抛物线C:
(
),直线l:
交C于A,B两点.过原点O作l的垂线,交直线
于点M.对任意
,直线AM,AB,BM的斜率成等差数列.
(1)求C的方程;
(2)若直线
,且
与C相切于点N,证明:
的面积不小于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b35f0b940c8422ef47edc3b7ce55e47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02ebce8b2a915356ed39f36c5bad2ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1d0aa9412dd7caf42cc71520e282328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aff8d9b6533ff319420cdc5e8740b04.png)
(1)求C的方程;
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc05c94ee6367e5551b219ac3168865.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
您最近一年使用:0次
2024-05-26更新
|
2997次组卷
|
5卷引用:安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题
安徽省六安第一中学2023-2024学年高三下学期期末质量检测卷(二)数学试题2024届广东省深圳市二模数学试题(已下线)第30题 几何分析曲径通幽,代数推演水到渠成(优质好题一题多解)(已下线)易错点8 圆锥曲线问题中未讨论直线斜率的特殊情况江西省南昌市八一中学2024届高三下学期三模测试数学试题
名校
2 . 已知函数
.
(1)求证:
至多只有一个零点;
(2)当
时,
分别为
的极大值点和极小值点,若
成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad43211ce1130a38a7b604b5db61b88.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f386803debe019dfca91cb18a09c1b1.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)若函数
在点
处的切线与直线
平行,求函数
的极值;
(2)若
,对于任意
,当
时,不等式
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ea4506150bdab1ee00533bc364ef0d9.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36eaa4e819d4643ce02c8f3abf78b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3159b56fe2c7a1b3e07432d7f3b90e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b002984f78586fa9a6c987041355c1a1.png)
您最近一年使用:0次
名校
4 . 已知正方体
的体积为8,且
,则当
取得最小值时,三棱锥
的外接球体积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/672a0ac4bc62eaf00f64faf4a561fe92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f65d6c33ad1f9b19d90e5fac8ce84fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/146ea37856f1603b89c7db7d8e96093d.png)
您最近一年使用:0次
2024-05-24更新
|
466次组卷
|
2卷引用:安徽省A10联盟2024届高三4月质量检测考试数学试题
名校
5 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661b1d491dc3a6554dfc0b98d565aa6e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 椭圆
的两个焦点分别为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3cb214fc0c0482076ba1887f5829c26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
A.过点![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() |
C.若直线![]() ![]() ![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
7 . 我们把方程
的实数解称为欧米加常数,记为
.
和
一样,都是无理数,
还被称为在指数函数中的“黄金比例”.下列有关
的结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c9c4849920f9b5d6be15d5e73e33b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0047f659c182291c84c224df6b5e993f.png)
A.![]() |
B.![]() |
C.![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
名校
解题方法
8 . 已知
,
,
分别是
的三个内角
,
,
的对边,其中正确的命题有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
A.已知![]() ![]() ![]() ![]() |
B.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
D.已知![]() ![]() ![]() ![]() ![]() ![]() |
您最近一年使用:0次
解题方法
9 . 已知定义在
上的函数
满足
,且
是奇函数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4c9a983d1b1c33cfa64aada076c20d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92146c133ba2bdbda499f5af2bdda022.png)
A.![]() ![]() |
B.![]() |
C.![]() |
D.若![]() ![]() |
您最近一年使用:0次
10 . 若项数均为
的两个数列
满足
,且集合
,则称数列
是一对“
项紧密数列”.设数列
是一对“4项紧密数列”,则这样的“4项紧密数列”有( )对.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432a8b1081ecb4a8c4943faad484541.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54946204c502727ffaee3c0172d195a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1f11437ef2c39a14cffb0d36c8d9c36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e567d7e9761951a266953c8d5042ac.png)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次