名校
1 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211b46c734f7c5ad829b17b0928c2e08.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2 . 对于函数
,若实数
满足
,则称
为
的不动点.已知
且
的不动点的集合为
,以
表示集合
中的最小元素.
(1)若
,求
中元素个数;
(2)当
恰有一个元素时,
的取值集合记为
.
(ⅰ)求
;
(ⅱ)若
为
中的最小元素,数列
满足
,
.求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cf3ac0f331656dc482adbaf1d138f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65d51777d3fca1ee8f588a6c39190dae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8e6cc19bb00d5c15c8c4088589626c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446a1db4962eff4a23d00c746a70af49.png)
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3 . n个有次序的实数
,
,…,
所组成的有序数组
称为一个n维向量,其中
称为该向量的第i个分量.特别地,对一个n维向量
,若
,称
为n维信号向量.设
,
,则
和
的内积定义为
,且
.
(1)直接写出4个两两垂直的4维信号向量;
(2)证明:不存在10个两两垂直的10维信号向量;
(3)已知k个两两垂直的2024维信号向量
,
,…,
满足它们的前m个分量都是相同的,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/086eb439f6a1578fdba904825340772d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa87d9662032c4b53e41634f3424b0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d5cd21ff3c760e7ec3130f5bfa8c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a94fcc44ac04f54d5fcc1a6154b8b166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d5cd21ff3c760e7ec3130f5bfa8c91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a414d372b680499f1c8ca1a7ae5f4d82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cfee5ec6cb12cb32e04de5c387a2c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e45b1c120de76ab330bf5e9cb98cce.png)
(1)直接写出4个两两垂直的4维信号向量;
(2)证明:不存在10个两两垂直的10维信号向量;
(3)已知k个两两垂直的2024维信号向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9541e55ef7917c4d5eec7e5062a6f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0de4fe4539ececcc2452bea1046c7148.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8c3f353a2ff4a61f8b81a3314c09e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf2182d0dad848ccc76944d976befbf2.png)
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4 . 已知
,则使不等式
能成立的正整数
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc66afc1e6e40f45ffeea65fb2c925bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddac9d23ae90a2c3ad1225bb2388562d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2024-03-31更新
|
989次组卷
|
3卷引用:上海市复旦大学附属中学2023-2024学年高二下学期3月阶段性学业水平检测数学试卷
名校
5 . 有一种速度叫“中国速度”,“中国速度”正在刷新世界对中国高铁的认知.由于地形等原因,在修建高铁、公路、桥隧等基建中,我们常用曲线的曲率(Curvature)来刻画路线弯曲度.如图所示的光滑曲线
上的曲线段AB,设其弧长为
,曲线
在A,B两点处的切线分别为
,记
的夹角为
,定义
为曲线段
的平均曲率,定义
为曲线
在其上一点
处的曲率.(其中
为
的导函数,
为
的导函数)
,求
;
(2)记圆
上圆心角为
的圆弧的平均曲率为
.
①求
的值;
②设函数
,若方程
有两个不相等的实数根
,证明:
,其中
为自然对数的底数,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505d83f4d34a8cd385577a6ce93a4b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce7ade05e42f9c1da2f91b2443b2446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce7ade05e42f9c1da2f91b2443b2446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e760f365b9cf2648fcad0c4f451e05f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb01270362284437d082c3a2268c6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f475f4bce7d71be088fd47d41cbff01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eefffa1689b5a68786b9a5875f12c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17375498fcd71a15ba331cdbab76fc10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aac282e92da3691942a6ba8511de2303.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b20a352df783ea2dbb99141d54c15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0217a4e289f6c0474dcb53ce269951fd.png)
(2)记圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825da58f048008f2093a9baf4bdb4a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f4c693f16c394f189d66a418bd77e59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9e7b6fd9374fc5c34bc1e2df196e5a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76a698f82a67daf3d1881193fe2c820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
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6 . 已知函数
和
的定义域分别为
和
,若对任意
,恰好存在
个不同的实数
,使得
(其中
),则称
为
的“
重覆盖函数”.
(1)试判断
是否为
的“2重覆盖函数”?请说明理由;
(2)若
,为
,的“2重覆盖函数”,求实数
的取值范围;
(3)函数
表示不超过
的最大整数,如
.若
为
的“2024重覆盖函数”请直接写出正实数
的取值范围.
![](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/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c296e45b84cf67a98939aa7334e7d478.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3eddf991be37d25d033f78bd3511809.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d5df7922a4e98e8e07bf418dd48a7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe44a5aed663a9b61ef7355b38c77d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d1a18f254577a0ce74ceb27364b98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(1)试判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b96b909824873058aebdaa54f6c21ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a264b8541eddc8ae86058de027d1a1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f246e5b05b68bb9fdeb12a319aa7136.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa88c20e58953bba4ed04d3ce419df95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240ca781ffd5d55cc9b7dd551879ce65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4987dca9120f6a58139fd3e412ed77c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a899e901b141a0a6d56e3387ecf9f047.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-03-29更新
|
251次组卷
|
2卷引用:湖北省鄂西南三校2023-2024学年高二下学期三月联考数学试卷
7 . 由椭圆的两个焦点和短轴的一个顶点组成的三角形称为该椭圆的“特征三角形”.如果椭圆
的“特征三角形”为
,椭圆
的“特征三角形”为
,若
,则称椭圆
与
“相似”,并将
与
的相似比称为椭圆
与
的相似比.已知椭圆
:
与椭圆
:
相似.
(1)求椭圆
的离心率;
(2)若椭圆
与椭圆
的相似比为
,设
为
上异于其左、右顶点
,
的一点.
①当
时,过
分别作椭圆
的两条切线
,
,切点分别为
,
,设直线
,
的斜率为
,
,证明:
为定值;
②当
时,若直线
与
交于
,
两点,直线
与
交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518f853e3a929edf3dd3cee8ec0760d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8321b4034b3ab70b6cbfa25bca18df2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaf9a32b79eb97becf706682da7115d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518f853e3a929edf3dd3cee8ec0760d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8321b4034b3ab70b6cbfa25bca18df2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5532211b42702f7b281834d500c666d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249767ae3bf665f1c8db866dbb366940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24006d28116bc097933cc90bcc0ea69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2451835b9ad821bc17a317bc0189a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24006d28116bc097933cc90bcc0ea69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2451835b9ad821bc17a317bc0189a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4757181824e15e0f21e5bdd55448783.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e260f5fe6e3637a415344ff137c7a6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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3卷引用:河北省石家庄市七县联考2023-2024学年高二下学期3月月考数学试题
名校
8 . 英国物理学家、数学家艾萨克•牛顿与德国哲学家、数学家戈特弗里德•莱布尼茨各自独立发明了微积分.其中牛顿在《流数法与无穷级数》(The Method of Fluxions and Inifinite Series)一书中,给出了高次代数方程的一种数值解法——牛顿法.如图,具体做法如下:先在x轴找初始点
,然后作
在点
处切线,切线与x轴交于点
,再作
在点
处切线,切线与x轴交于点
,再作
在点
处切线,以此类推,直到求得满足精度的零点近似解
为止.
,初始点
,若按上述算法,求出
的一个近似值
(精确到0.1);
(2)如图,设函数
,初始点为
,若按上述算法,求所得前n个三角形
,
,……,
的面积和;
,令
,且
,若函数
,
,设曲线
的一条切线方程为
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71483635bc5bc6680051b9aaed85765.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3a98816dba75cbb11620e7ed372c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34632cf7058027def02525a8a0192b0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5604a6f0518feb8d6b3614a63c4d61de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243989300efbd8c55ee767025490cac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ac32cbe433e4360f46a12ebe57841ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34732ae551c25032c24dacba0f7d1506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8efec283823fe25b28c325fc4fe99424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa32997808121b79607346a4e46c26f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9f851f16517ca9eaa79776cc3d559b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(2)如图,设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b39c5d66018f0736a0457961c91e1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daab9aff134c4821a3784beaddba2320.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb54249d3a646e13cdb28455f9cd9d41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174f269ebeda267b10df5b87e4b033b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d2392f7f5646eb417eb5426d03008de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c64ab61f03db328b8860ff20c6b9b51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1cf996372a1c15a9a3d696f6f402ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ef6f920cf01e61596caa2243af1619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2310749136b757d16d198a7121e336ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72983b435da7659d4e2057007cd1bf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ed26c227174a60f314a7946e9d7f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81182ead1eaed89ac9ee3ff38dac0aae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96284d59f444eeb296135b54626c6a0.png)
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3卷引用:四川省成都市第七中学2023-2024学年高二下学期3月阶段性检测数学试题
名校
解题方法
9 . 如图,已知椭圆
经过点
,离心率
.
的标准方程;
(2)椭圆
上任意点
轴上一点
,若
的最小值为
,求实数
的取值范围;
(3)设
是经过右焦点
的任一弦(不经过点
),直线
与直线
相交于点
,记
的斜率分别为
,求证:
成等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04147e15b00989da8277da4422f8b443.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81828dcd00a71cf376e8003488886bb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f959ea4e8be882517c570b7bd7ad0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fce0dbfbaede9bcbc415a105e36688e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43c58b986bea8854118adc80af4437ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495bb3e5a3a9d35f5c9f0cf1f5d51876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166a8e1bcb93423697696e2ba0409fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dca1726d463bd741c904abd9b6589056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf3a71536f4f45cd75732e8b48592eb.png)
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4卷引用:上海市向明中学2023-2024学年高二下学期3月月考数学试题
上海市向明中学2023-2024学年高二下学期3月月考数学试题上海市松江二中2023-2024学年高二下学期期中数学试卷(已下线)专题02圆锥曲线全章复习攻略--高二期末考点大串讲(沪教版2020选修一)湖北省武汉市第二中学2023-2024学年高三下学期模拟考试(最后一卷)数学试卷
10 . 已知
,
,
均为正数,
,
,
,则
,
,
的大小关系为( )
![](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/322ffe625133a1bbc5517813b02943d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0b5f40988de5757d47ce219b97533d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c61732e3a7dffdf8385172f2bd1500.png)
![](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)
A.![]() | B.![]() | C.![]() | D.![]() |
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8卷引用:福建省泉州市安溪第一中学2023-2024学年高二下学期5月份质量检测数学试题
福建省泉州市安溪第一中学2023-2024学年高二下学期5月份质量检测数学试题吉林省长春市长春吉大附中实验学校2023-2024学年高二下学期5月期中考试数学试卷四川省广安市2024届高三第二次诊断性考试数学(文)试题2024届四川省遂宁市等3地高三二模文科数学试题四川省雅安市2024届高三下学期二诊数学(文)试题四川省乐山市2024届高三第二次调查研究考试文科数学试题(已下线)专题6 函数的零点问题(过关集训)(压轴题大全)(已下线)重难点突破01 玩转指对幂比较大小(十一大题型)-1