名校
解题方法
1 . 已知函数
图像上点
处的切线方程与直线
平行(其中
),
.
(1)求函数
的解析式;
(2)求函数
在
(
)上的最小值;
(3)对一切
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bad889fec9bf544f9b3284fe15bc7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e481f2d653153227901e7baaa683119.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819fafcd8615361d5335cfca49140cf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
(3)对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3980c52927f12c114f3b291ad714d778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde3c23d1d18169ad80566373b2ed941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
名校
解题方法
2 . 已知抛物线
的焦点为
,直线
与抛物线
交于
,
两点.
(1)若直线
过焦点
,且与圆
交于
,
(其中
,
在
轴同侧)两点,求证:
是定值;
(2)设抛物线
在点
和点
处的切线交于点
,试问在
轴上是否存在点
,使得四边形
为菱形?若存在,求出此时直线
的斜率和点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7ad3432ac96b0a38beaa7f2edc3499.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a96d5ac39b0c5338dbfb7e3412b3c0.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)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e318cefab1d71238b6a770e9d5fe154e.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a94758509b9688e3dadf238d1c5f15.png)
(2)设抛物线
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d4ab45e8e8f0084d8d90a4c1233d86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2017-06-02更新
|
584次组卷
|
4卷引用:衡水金卷2018年普通高等学校招生全国统一考试模拟试卷 分科综合卷 理科数学(三)
2013·辽宁·模拟预测
名校
3 . 若三棱锥
的底面是以
为斜边的等腰直角三角形,
,则该三棱锥的外接球的表面积为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41e5db1d2fd912f77923e4c120a7dc19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e62a0391abd7ccac4181005f7e16383.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-05-26更新
|
1547次组卷
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6卷引用:河北省安平中学2020届高三上学期第一次月考数学(理)试题(实验部)
名校
4 . 已知向量
满足
,若
,
的最大值和最小值分别为
,则
等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e083a766f86980d17aa73455d17d54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de868f66e0b7782d5c1815a301c7a48a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db5bf907353e5443aa5ec272e3aa589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
A.![]() | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2017-05-26更新
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2卷引用:河北省衡水中学2017届高三下学期第三次摸底考试数学(理)试题
名校
解题方法
5 . 如图,已知圆锥
和圆柱
的组合体(它们的底面重合),圆锥的底面圆
半径为
,
为圆锥的母线,
为圆柱
的母线,
为下底面圆
上的两点,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/c6d2f446-294e-4316-9546-e6560fcbdf62.png?resizew=170)
(1)求证:平面
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192f4f9446c954a291f779d963f90257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8314bf44fd67afda08134a89cff2de72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e65ac334119ccd6204402a7aba29a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3a51949f48ee8cf746851ba779b078e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed7d50f7b3c88566bda5eff976ee626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/031620a046f83f3b4c06ec1aa53567bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0ee3e8e5fc6c302b8cdf69792d88e31.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/28/c6d2f446-294e-4316-9546-e6560fcbdf62.png?resizew=170)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf6dc837ae85207789b94d109c5c2eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/820567942aa98b2feaaa017fcb7790df.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5680552dd489d32a4240ed185c4454d0.png)
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6 . 如图,小华和小明两个小伙伴在一起做游戏,他们通过划拳(剪刀、石头、布)比赛决胜谁首先登上第3个台阶,他们规定从平地开始,每次划拳赢的一方登上一级台阶,输的一方原地不动,平局时两个人都上一级台阶,如果一方连续两次赢,那么他将额外获得一次上一级台阶的奖励,除非已经登上第3个台阶,当有任何一方登上第3个台阶时,游戏结束,记此时两个小伙伴划拳的次数为
.
(1)求游戏结束时小华在第2个台阶的概率;
(2)求
的分布列和数学期望.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/29/2cf8d1d8-1380-42cf-b890-cbddbcfb6276.png?resizew=220)
(1)求游戏结束时小华在第2个台阶的概率;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
您最近一年使用:0次
2017-05-26更新
|
4713次组卷
|
4卷引用:河北省衡水中学2017届高三下学期第三次摸底考试数学(理)试题
河北省衡水中学2017届高三下学期第三次摸底考试数学(理)试题(已下线)专题09 计数原理与概率统计-【备战高考】2021年高三数学高考复习刷题宝典(解答题专练)辽宁省实验中学2022-2023学年高二下学期期中数学试题江苏省南通市如皋市2024届高三下学期2月诊断测试数学试题
名校
解题方法
7 . 已知椭圆
的一个焦点为
,其左顶点A在圆
上.
(1)求椭圆C的方程;
(2)直线
交椭圆C于M,N两点,设点N关于
轴的对称点为
(点
与点
不重合),且直线
与
轴的交于点
,试问
的面积是否存在最大值?若存在,求出这个最大值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c7b07ace87ed58fdc1f1bc78a04aeda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4133318272b4088b0b1b043d58b771.png)
(1)求椭圆C的方程;
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cae032235685acc616c13092c545686f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7688363f5ffff23a6193c7a8eee501c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e040f32e983e5b7920fcb1b9b1eb6.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/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
您最近一年使用:0次
2017-05-22更新
|
678次组卷
|
4卷引用:河北省衡水中学2018届高三三轮复习系列七-出神入化5数学(理)试题
名校
8 . 已知函数
.
(Ⅰ)若
,试讨论函数
的单调性;
(Ⅱ)设
,当
对任意的
恒成立时,求函数
的最大值的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27769804daf4ab2d6804499e931a57fb.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0cb34b1dcac63b2eaccb903ad83b9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557f2799777232acce036a9412f10d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
您最近一年使用:0次
2017-05-21更新
|
843次组卷
|
2卷引用:河北省衡水中学2018届高三数学理科三轮复习系列七-出神入化7
名校
9 . 已知奇函数
的导函数的部分图象如图所示,
是最高点,且
是边长为
的正三角形,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbd109d35a7f77c842f46480b50a8fa.png)
![](https://img.xkw.com/dksih/QBM/2017/5/19/1690473527287808/1691631525199872/STEM/1fa17787804f412496d485a0bc19cd9e.png?resizew=125)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa303ec454a13401aa6234e06093b383.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e29db912ce601a14fffa1e555a09023a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbd109d35a7f77c842f46480b50a8fa.png)
![](https://img.xkw.com/dksih/QBM/2017/5/19/1690473527287808/1691631525199872/STEM/1fa17787804f412496d485a0bc19cd9e.png?resizew=125)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
10 . 若点
是棱长为
的正方体
的内切球
的球面上的动点,点
为棱
上的一点,且
,
,则动
点的轨迹的长度为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af2fdf1944afebb51cb6a5e6c74aadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d72daa98f98150e631d85eb0c172c88c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d3505c92b870c0dea9d9e8575f7523.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/16/862deaae-677e-49f4-8c86-332597e24c37.png?resizew=181)
您最近一年使用:0次
2017-05-21更新
|
1497次组卷
|
5卷引用:河北省衡水中学2017届高三下学期第二次摸底考试数学(文)试题