1 . 已知函数
.
(1)当
时,求
的极值;
(2)若
恒成立,求实数
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b48e39514c9e9909e94fc5745355cfa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6274961e116aff1637d4bc3ac4944ce5.png)
您最近一年使用:0次
2024-05-25更新
|
749次组卷
|
5卷引用:重庆市巴南育才实验中学校2023-2024学年高二下学期期中质量监测数学试题
解题方法
2 . 如图,在
中,
,
,
,
分别在边
,
上,且满足
,
,
为
中点.
,求实数
,
的值;
(2)若
,求边
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5287cd0f51980d6a7a1aced763679e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4fd1be72ff99c74184cac8643ad2d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28a184284581f47584cfd1fabf6c89f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1100379a4385b9ce064847bc21760adc.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388a45205a47bca0a7a6f4af1c5563a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2024-01-18更新
|
1772次组卷
|
8卷引用:重庆市巴南区部分学校2023-2024学年高一下学期阶段测试数学试题
重庆市巴南区部分学校2023-2024学年高一下学期阶段测试数学试题河南省焦作市第四中学2022-2023学年高一下学期3月月考数学试题(已下线)专题9.4 平面向量基本定理-重难点突破及混淆易错规避(苏教版2019必修第二册)(已下线)第八章:向量的数量积与三角恒等变换章末重点题型复习(1)-同步精品课堂(人教B版2019必修第三册)(已下线)专题3 平面向量的应用(期中研习室)(已下线)第八章 平面向量(知识归纳+题型突破)(2)-单元速记·巧练(沪教版2020必修第二册)(已下线)高一下学期期中复习解答题压轴题十八大题型专练(1)-举一反三系列(人教A版2019必修第二册) 四川省成都市武侯高级中学2023-2024学年高一下学期第一次月考数学试题
名校
解题方法
3 . 已知椭圆的左、右焦点分别为
,离心率为
,点
在椭圆
上.
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73609bec825b1b14eeb5bd11d66fe3f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
您最近一年使用:0次
2023-11-21更新
|
1878次组卷
|
7卷引用:重庆市巴南区重庆实验中学校2023-2024学年高二上学期期中数学试题
(已下线)重庆市巴南区重庆实验中学校2023-2024学年高二上学期期中数学试题湖北省部分高中联考协作体2023-2024学年高三上学期期中考试数学试卷四川省德阳市什邡中学2023-2024学年高二平实班上学期期中数学试题四川省南充市阆中中学校2024届高三一模数学(文)试题福建省三明市第一中学2024届高三上学期月考二(12月)数学试题(已下线)微考点6-2 圆锥曲线中的弦长面积类问题(已下线)通关练15 椭圆11考点精练(2)
名校
解题方法
4 . 如图,在矩形
和
中,
,
,
,
,
,
,记
.
![](https://img.xkw.com/dksih/QBM/2023/11/11/3365677006725120/3366255125012480/STEM/c0c985ee9c1d43d5a48552c4bcfa22bc.png?resizew=172)
(1)将
用
,
,
表示出来;
(2)当
时求
与
夹角的余弦值;
(3)是否存在
使得
平面
?若存在,求出
的值,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dde327febef2331a4766a79b433cc02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f7989cde594efacb775fb7c2431a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b8761da9720f81021c73d4b373e68f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b9d51312e3124f86f426a6963517946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b5d3dc99adbc61c7265b98bb8b4da09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/540ccd15435aa2d59e809d6a28fb2467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9698abe469047f6ffbcbe1c816b97ef4.png)
![](https://img.xkw.com/dksih/QBM/2023/11/11/3365677006725120/3366255125012480/STEM/c0c985ee9c1d43d5a48552c4bcfa22bc.png?resizew=172)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.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/73a0b19e69be46452425916a0fcb49c9.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3cf0f585938ede9eca890a6eb326d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(3)是否存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93cf663ee2bf1ac5c43f4306fa0cf250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
5 . 设数列
的前
项和为
,且
.
(1)求
的通项公式;
(2)设数列
满足
,求数列
的前
项利
.
![](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/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac8fa659162402e3689dea3f8c45f1dc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e191086446263b7bbbd93613577c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e91d8d38e61d49d14cdd7a1fdf47458.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2023-10-20更新
|
870次组卷
|
2卷引用:重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题
名校
6 . 已知函数
(
,
,
)的图象相邻两条对称轴间的距离为
.函数
的最大值为2,且______.
请从以下3个条件中任选一个,补充在上面横线上,①
为奇函数;②当
时
;③
是函数
的一条对称轴.并解答下列问题:
(1)求函数
的解析式;
(2)在
中,
、
,
分别是角
,
,
的对边,若
,
,
的面积
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af87a22a39bd12c4734b0bdf1596b42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
请从以下3个条件中任选一个,补充在上面横线上,①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb7f5e603c3bbba7a75d1f5a483b5e1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da474e697dd4566de5c3da9c8ae92523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8973254e0eeb29a0add0e4677ce5337b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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)
![](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)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69def215d32ff6734ad883a0ca260a2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a91b9b3cfe2e5504238b8b7eeea7cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-10-19更新
|
1024次组卷
|
6卷引用:重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题
重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题四川省成都市教科院附中2023-2024学年高三上学期10月月考数学(文)试题贵州省贵阳市清华中学2024届高三上学期10月月考数学试题(已下线)模块四 专题8 劣构性问题 (基础)(已下线)河南省信阳市信阳高级中学2024届高三一模数学试题辽宁省北镇市第二高级中学、第三高级中学2024届高三上学期第四次月考数学试题
名校
解题方法
7 . 已知函数
.
(1)当
时,比较
与
的大小;
(2)若函数
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e4bdada70f9217234b43e8747a855f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f4241a5db19c15cb647bf520a8570e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2435c2503615c44334fb8fb3ccfdcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc27e66b5547d400351b99194496883.png)
您最近一年使用:0次
2023-10-11更新
|
527次组卷
|
7卷引用:重庆市巴南区重庆市实验中学校2024届高三上学期期中数学试题
解题方法
8 . 设全集为
,集合
,
.
(1)当
时,求图中阴影部分表示的集合C;
(2)在①
;②
;③
这三个条件中任选一个作为已知条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860ebb6f76cd3cb9a265dfc233002a13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47330e3e098aa866d542151f1ddc7cf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b6ca3bcdefb1922b5333c04432b652c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/1/3badd05b-096f-4c5a-900c-103c9a14980f.png?resizew=147)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
(2)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893eb0080a50a1cb6b088f299aa808ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
您最近一年使用:0次
2023-09-01更新
|
386次组卷
|
4卷引用:重庆市渝南田家炳中学校2024届高三上学期10月检测数学试题
重庆市渝南田家炳中学校2024届高三上学期10月检测数学试题江苏省淮安市2022-2023学年高一上学期期末数学试题(已下线)模块四 专题7 大题分类练(劣构题专练)拔高能力练(人教A)期末终极研习室(已下线)第01讲:集合期末高频考点题型讲与练-《考点·题型·难点》期末高效复习
9 . 已知函数
.
(1)当
时,
(I)求
处的切线方程;
(II)判断
的单调性,并给出证明;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306c4fd852595a656e37eb90a7b7d8c0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(I)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1687e74281db4c12e4a826152f5dd249.png)
(II)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-16更新
|
636次组卷
|
3卷引用:重庆市巴南区2024届高三诊断(一)数学试题
名校
解题方法
10 . 在
中,角
所对的边分别为
,
.
(1)求角
;
(2)若
的面积为
,且
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eec991720c8cf7996cf8cd5dcec7189.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/802e162b98c280720fcb909cf392fda3.png)
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4卷引用:重庆市巴南区2024届高三诊断(一)数学试题