1 . 已知函数
的定义域为
,且
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09a929628a481aaa14fdbcda369e7399.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/709c3563b82d595c9f25e77ec0084f63.png)
A.![]() | B.![]() |
C.函数![]() | D.函数![]() |
您最近一年使用:0次
2024-01-19更新
|
7390次组卷
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13卷引用:广西南宁市第三十六中学2024届高三下学期适应性训练数学试题
广西南宁市第三十六中学2024届高三下学期适应性训练数学试题2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题11-152024年九省联考试卷分析及真题鉴赏(已下线)函数的图象与性质(已下线)新题型01 新高考新结构二十一大考点汇总-2辽宁省锦州市北镇市满族高级中学2024届高三下学期第一次月考数学试题(已下线)专题02 函数图象及性质(分层练)(四大题型+11道精选真题)(已下线)专题9 解决抽象函数问题(已下线)专题6 学科素养与综合问题(多选题11)山东省临沂第一中学2023-2024学年高一上学期期末模拟数学试题山东省临沂第十八中学2023-2024学年高一下学期2月收心考试数学试题福建省厦门双十中学2023-2024学年高二下学期开学考试数学试题
名校
解题方法
2 . 在三棱锥
中,
平面
,
,
,
,点
为棱
上一点,过点
作三棱锥
的截面,使截面平行于直线
和
,当该截面面积取得最大值时,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a94d59dee2d5a8f0425b64b2083825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24797c863a14b9306133b86ff5170c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36957cc47e8b85809737f005345fd619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3549f63d7dd10173c0de28545d66fc56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98e486a1aad96167ff62f6fb5136e0bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3270867af6068aa9558cab09eec0af90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c14427faad52b64c142facdaccb3b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6a94d59dee2d5a8f0425b64b2083825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95226c64f0afdaa10b95ec097a0720ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b1fce5acb99c537df69d9d66141305.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-03更新
|
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7卷引用:广西2024届高三高考桂柳鸿图数学模拟金卷试题(四)
广西2024届高三高考桂柳鸿图数学模拟金卷试题(四)广东省珠海市第一中学2024届高三上学期大湾区期末数学预测卷(四)广东省深圳市深圳外国语学校2024届高三上学期第一次调研数学试题(已下线)重难点6-2 空间几何体的交线与截面问题(8题型+满分技巧+限时检测)(已下线)第二章 立体几何中的计算 专题四 空间几何体截面问题 微点1 截面的分类(一)【培优版】(已下线)第八章 立体几何初步(压轴题专练)-单元速记·巧练(人教A版2019必修第二册)(已下线)重难点专题09 立体几何中的截面问题-【帮课堂】(苏教版2019必修第二册)
3 . 已知椭圆
的离心率为
,长轴长为4.
(1)求椭圆C的标准方程;
(2)O为坐标原点,过点
且斜率不为零的直线与椭圆C交于E,F两点,试问:在x轴上是否存在一个定点T,使得
.若存在,求出定点T的坐标;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆C的标准方程;
(2)O为坐标原点,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa77e019204efd90ea6e733420eceef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a8b03f29c26f7e7d9f1e6e21e079bb.png)
您最近一年使用:0次
2024-05-28更新
|
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2卷引用:广西2024届高中毕业班上学期9月摸底检测数学试题
4 . 已知函数
.
(1)若
在
处取得极值,求
的极值;
(2)讨论
的单调性.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b7781db4cd08d80b1173906f65cd3c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
5 . 已知椭圆
的长轴长为
,且其离心率小于
为椭圆
上一点,
分别为椭圆
的左、右焦点,
的面积的最大值为
,
(1)求椭圆
的标准方程;
(2)
为椭圆
的上,下顶点,过点
且斜率为
的直线与椭圆
交于
两点,过点
且与
平行的直线与直线
的交点为
,设直线
所成角为
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2bc9325e8dcd6586b5bd19b2d5be1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/002ed1ebb2cb936e10ab478789f91c7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/278b6daa22ae6eacde264a76d9c64b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b27aee52676f4237adac068fe745fde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be82ace0fc6139bbffcebba1160f1fe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc24d605ad707ad0e76059d8a31f50d3.png)
您最近一年使用:0次
名校
解题方法
6 . 已知
是等差数列
的前
项和,满足
,设
,数列
的前
项和为
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](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/e8d308242e322289b950c25f9637da73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/230ae9538a1b0ec62c3491cbce25df8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30136113176ba7fe660e998d0873157.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
A.![]() |
B.使得![]() ![]() |
C.![]() |
D.当![]() ![]() |
您最近一年使用:0次
7 . 假设
市四月的天气情况有晴天,雨天,阴天三种,第二天的天气情况只取决于前一天的天气情况,与再之前的天气无关.若前一天为晴天,则第二天下雨的概率为
,阴天的概率为
;若前一天为下雨,则第二天晴天的概率为
,阴天的概率为
;若前一天为阴天,则第二天晴天的概率为
,下雨的概率为
;已知
市4月第1天的天气情况为下雨.
(1)求
市4月第3天的天气情况为晴天的概率;
(2)记
为
市四月第
天的天气情况为晴天的概率,
(i)求出
的通项公式;
(ii)
市某花卉种植基地计划在四月根据天气情况种植向日葵,为了更好地促进向日葵种子的发芽和生长,要求提前3天对种子进行特殊处理,并尽可能地选择在晴天种植.如果你是该花卉种植基地的气象顾问,根据上述计算结果,请你对该基地的种植计划提出建议.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee3c61d2298e75fc4f1643f8ebc2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a53ec845256c1f577acf5472a925cb9.png)
(i)求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
(ii)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
您最近一年使用:0次
名校
8 . 已知函数
,
(1)当
时,求
在区间
上的值域;
(2)若
有两个不同的零点
,求
的取值范围,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e9f45f86ee4cac88d16435393c7cec.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7eccdc19dbe2b4c7a30878c054e8c7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ca3aa2d1ba52e82613d0d65d800e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29909a4fdb8764b59f28bb63ce8da9db.png)
您最近一年使用:0次
2024-01-15更新
|
466次组卷
|
3卷引用:广西柳州市高级中学2024届高三上学期12月月考数学试题
9 . 已知
(
).
(1)讨论
的单调性;
(2)若
,
(
)是
的两根,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d309e1b5ea37c6cb70161034f62f51b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](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/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868a4cf0549507ca5f2a18b2d1070085.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3470470d8baee1d9152a695d82fcd78e.png)
您最近一年使用:0次
解题方法
10 . 已知椭圆:
(
),直线
:
过
的右焦点
,椭圆的长轴长是下顶点到直线
的距离的2倍.
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.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/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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3e029070ad0d2ce680d5336ed7150a.png)
您最近一年使用:0次
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|
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4卷引用:广西2024届高三高考桂柳鸿图模拟金卷试题(二)