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1 . 在边长为2的正方体
中,动点
满足
,
且
,下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34b93364f416d0ceadcc84387ae12e83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/722cf568777f083d83424c02c5890825.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f59b580adf6193c35d22749499280a.png)
A.当![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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2065次组卷
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6卷引用:专题04 立体几何
(已下线)专题04 立体几何广西壮族自治区南宁市第三中学、柳州高级中学2024届高三下学期一轮复习诊断性联考数学试卷(已下线)压轴小题7 探究立体几何中的动态问题湖南省邵阳市邵东市第一中学2023-2024学年高二下学期3月月考数学试题(已下线)压轴题04立体几何压轴题10题型汇总-1河南省信阳市新县高级中学2024届高三考前第六次适应性考试数学试题
2 . 已知函数
.
(1)设函数
,讨论
的单调性;
(2)设
分别为
的极大值点和极小值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67312427598f29f75e4e2b8774700dd8.png)
(1)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e26710839f5e7dffe2378246d647afe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e7b4add7436eee0354d6bfa236b794.png)
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解题方法
3 . 在平面直角坐标系
中,点
为动点,以
为直径的圆与
轴相切,记
的轨迹为
.
(1)求
的方程;
(2)设
为直线
上的动点,过
的直线与
相切于点
,过
作直线
的垂线交
于点
,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0683709d28ed67ae6fcecc75878b0b9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa44964db83759aff6fc8dd7ef8f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a11cb104b04c4e6a1be700e81da279a.png)
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2024-02-24更新
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2193次组卷
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6卷引用:专题07 直线与圆、圆锥曲线
(已下线)专题07 直线与圆、圆锥曲线(已下线)信息必刷卷05黑龙江省齐齐哈尔市2024届高三第一次模拟考试数学试题(已下线)第四套 最新模拟复盘卷山西省怀仁市第一中学校2023-2024学年高三下学期第三次模拟考试数学试题(已下线)信息必刷卷04(江苏专用,2024新题型)
4 . 已知抛物线
,过焦点
的直线
与
交于
两点,且
的最小值为2.
(1)求
的方程;
(2)过
且与
垂直的直线交
于
两点,设直线
的中点分别为
,过坐标原点
作直线
的垂线,垂足为
,是否存在定点
,使得
为定值,若存在,求出点
坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa877db8dc1b03f1581106dfd5211ac4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa9e6b473819e4e88341e2d98004de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解题方法
5 . 质点
和
在以坐标原点
为圆心,半径为1的圆
上逆时针做匀速圆周运动,同时出发.
的角速度大小为
,起点为圆
与
轴正半轴的交点,
的角速度大小为
,起点为角
的终边与圆
的交点,则当
与
重合时,
的坐标不可以 为( )
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0513d14384fa76fd284f63ff4d8f08bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd026aad29668faffc99cd5f3e0930b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2f9ee07c64f43efb8144721f3ae222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-13更新
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719次组卷
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12卷引用:河北省保定市清苑区清苑中学2023-2024学年高一上学期第三阶段综合考试数学试题
河北省保定市清苑区清苑中学2023-2024学年高一上学期第三阶段综合考试数学试题江苏省宜兴中学、泰兴中学、泰州中学2023-2024学年高一上学期12月联合质量检测数学试卷(已下线)专题07 任意角、弧度制、三角函数概念及诱导公式2-期末复习重难培优与单元检测(人教A版2019)(已下线)专题07 三角函数的概念与诱导公式(1)-【寒假自学课】(苏教版2019)广东省东莞市东华高级中学2024届高三上学期第二次调研数学试题【第三练】5.3诱导公式(已下线)专题20诱导公式-【倍速学习法】(人教A版2019必修第一册)(已下线)考点3 诱导公式的应用 --2024届高考数学考点总动员【练】湖北省A9高中联盟2023-2024学年高一上学期期末联考数学试题湖南省株洲市二中教育集团2023-2024学年高一下学期第三次阶段性检测数学试题(A卷)(已下线)7.2.4 诱导公式-【帮课堂】(人教B版2019必修第三册)(已下线)模块五 专题4 全真能力模拟2(北师版高一期中)
名校
6 . 已知函数
,若函数
有四个零点,从小到大依次为
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc698aa9338739c1392629ccc16d354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85560318867b5b8d43e32cb6764ade6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
A.![]() |
B.![]() |
C.![]() |
D.方程![]() |
您最近一年使用:0次
2024-02-12更新
|
657次组卷
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4卷引用:河北省石家庄市第二中学2023-2024学年高一下学期学情调研(一)数学试题
河北省石家庄市第二中学2023-2024学年高一下学期学情调研(一)数学试题湖北省武汉市华中师范大学第一附属中学2023-2024学年高一上学期1月期末检测数学试题(已下线)专题3 含绝对值的函数问题(过关集训)(压轴题大全)(已下线)专题6 函数的零点问题【讲】(压轴题大全)
名校
解题方法
7 . 已知函数
有两个不同的零点
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f39c41fdb528c5568ae47945d093e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90b0ebd86fc43bcf6d8261652ffef3d0.png)
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2024-02-12更新
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1158次组卷
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3卷引用:专题03 函数的概念与性质(含导数)
解题方法
8 . 设
为抛物线
的焦点,
是抛物线
的准线与
轴的交点,
是抛物线
上一点,当
轴时,
.
(1)求抛物线
的方程.
(2)
的延长线与
的交点为
,
的延长线与
的交点为
,点
在
与
之间.
(i)证明:
,
两点关于
轴对称.
(ii)记
的面积为
,
的面积为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3baa6d3cf25af55055fb8e1c4dcccd91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323232ab36943d1d5d2831d70ffcff87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a780261d7c91ccf6b5dc0f580146b1a4.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(i)证明:
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
(ii)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a0c85deb80d8e63bc60127e803f7ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72d4c08ed526b54460c4d6fda1c11b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d7df4d3cf520d9d9355394c0a884bb.png)
您最近一年使用:0次
2024-02-05更新
|
525次组卷
|
3卷引用:河北省邢台市2024届高三上学期期末数学试题
9 . 已知函数
.
(1)证明曲线
在
处的切线过原点;
(2)讨论
的单调性;
(3)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d47dd2852e029e5b030f26a5ad0543bb.png)
(1)证明曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c68cb9f9f7935fd5703f46181db6e4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-02-04更新
|
2307次组卷
|
5卷引用:专题03 函数的概念与性质(含导数)
10 . 已知函数
.
(1)设
且
,求
在区间
内的单调递减区间(用
表示);
(2)若
,函数
有且仅有2个零点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f04ae16feb41a56b5495b0d1a4c788f0.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5caabda288fc01cc168938846eec5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66a898370f495ce22ad03a441a6ec778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c50021fcf7b959aa2fe77f676dc4d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次