解题方法
1 . 在平面直角坐标系
中,已知抛物线
和点
.点
在
上,且
.
(1)求
的方程;
(2)若直线
与
相交于
两点,
与
相交于
两点,直线
的斜率分别为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49d045dbe7809b0d3f423e481d9f3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd813a0d9662cd3b96d99e12b34ec234.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4bc45ba4c2ad98835bfdd40c2212ba9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82feac6a2168b3cc1ddeebb88e1f3f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c65902e35640cf2c8d4111c36b40145.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5daf9b772660af2af01d8cb179f32ba.png)
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2 . 如图,在四棱锥
中,
平面
,
,
,
,
为棱
上的一点,且
.
(1)证明:
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afcd7f0838dd142350074ba86b1277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150256df998204e428016dcc9cbe8b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d67e50b06d24ce0284a89909bc395e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/18/a382b335-fbd8-4826-a9e7-648a6bfa5c62.png?resizew=170)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a829577bb0863d3f39db38ca4c179a56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5082fa0f36a008dc2838146ea2bf2e1b.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4294b7141d394654841008ac9b40dab.png)
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解题方法
3 . 若双曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd14483e3bc5f2bf4774d6f83fe7331.png)
的一条渐近线被圆
所截得的弦长为2,则双曲线
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd14483e3bc5f2bf4774d6f83fe7331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d26d3f9d8344e1c727fbbed5421daaa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c52ae4f01e98276ec3cf114ef15861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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解题方法
4 . 若函数
在
上存在单调递减区间,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f48436d4b6d8b89ae301d733352b0ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
5 . 如图,在四棱锥
中,
平面
,
,
,
,
为棱
上的一点,且
.
平面
;
(2)求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10c83f8945042b9c8fb2fbdac9308d62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4afcd7f0838dd142350074ba86b1277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150256df998204e428016dcc9cbe8b60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a6e2867f32d3f1c3cd36cd3a11a8580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d67e50b06d24ce0284a89909bc395e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f696e763748cf6c5437f09f317d53e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5082fa0f36a008dc2838146ea2bf2e1b.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faeb97acf19bd3b2c6c77c2814df4d2f.png)
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4卷引用:内蒙古自治区锡林郭勒盟2023-2024学年高三上学期1月期末教学质量检测文科数学试题
内蒙古自治区锡林郭勒盟2023-2024学年高三上学期1月期末教学质量检测文科数学试题内蒙古包头市2024届高三上学期期末教学质量检测数学(文)试题(已下线)热点6-1 线线、线面、面面的平行与垂直(6题型+满分技巧+限时检测)湖南省长沙市长郡中学2023-2024学年高一下学期4月选科适应性检测数学试题
解题方法
6 . 为落实立德树人根本任务,坚持五育并举全面推进素质教育,某校举行了乒乓球比赛,其中参加男子乒乓球决赛的9名队员来自高一年级2人,高二年级3人,高三年级4人,本次决定比赛赛制采取单循环方式,即每名队员进行8场比赛(每场比赛都采取5局3胜制),最后根据积分选出最后的冠军,亚军和季军,积分规则如下:每场比赛5局中以
或3:1获胜的队员积3分,落败的队员积0分;而每场比赛5局中以
获胜的队员积2分,落败的队员积1分,
(1)求比赛结束后冠亚军恰好来自不同年级的概率;
(2)已知最后一轮比赛两位选手是甲和乙,假设每局比赛甲获胜概率均为0.6,
①若设最后一轮每局比赛甲获胜为事件
,乙获胜为事件
,则事件
与
是什么关系,并求
和
;
②记这轮比赛甲所得积分为
求
的概率分布列及数学期望
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef414095084c4c5eb3be5b73e719b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b1dcdac71e394e495d069f64e1f1ce9.png)
(1)求比赛结束后冠亚军恰好来自不同年级的概率;
(2)已知最后一轮比赛两位选手是甲和乙,假设每局比赛甲获胜概率均为0.6,
①若设最后一轮每局比赛甲获胜为事件
![](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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/391c6e33329f5f4ad0c5107520d9a5cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b459aa38bd06fa9b5b0412c51121dd48.png)
②记这轮比赛甲所得积分为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc79c66ebaacd709ec9965b90a22b14.png)
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7 . 过点
作圆O:
的两条切线,则两条切线夹角的正弦值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f13bf66fc845b115de4ec45b4be0e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
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8 . 设椭圆C:
(
)的两个焦点是
和
(
),且椭圆C与圆
有公共点.
(1)求实数a的取值范围;
(2)若椭圆C上的点到焦点的最长距离为
,求椭圆C的方程;
(3)对(2)中的椭圆C,直线:
(
)与C交于不同的两点M,N,若线段
的垂直平分线恒过点
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dae6629e0dbf18af625cb804874afb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26edd7d076460e7aa7e8f319cb2be370.png)
(1)求实数a的取值范围;
(2)若椭圆C上的点到焦点的最长距离为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab46ea0cba2d06283fae3d864a2329e0.png)
(3)对(2)中的椭圆C,直线:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b256345d7109e081b7c895591e995d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71885f023172807ad43f2c9a670aa960.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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9 . 已知圆
:
与圆
:
相交于A,B两点,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376bc360486059a9674a964d031e9ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28da6766230aeb546a2588daf93958ff.png)
A.两圆的相交弦所在直线方程为![]() |
B.两圆的公共弦长为![]() |
C.经过A,B两点,且过原点的圆的方程为![]() |
D.P为![]() ![]() ![]() |
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解题方法
10 . 已知双曲线
(
,
)的右焦点与抛物线
(
)的焦点重合,抛物线的准线交双曲线于M,N两点,交双曲线的渐近线于P,Q两点.若
,则双曲线的离心率为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04461d48543cbd979918777065802b68.png)
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内蒙古自治区锡林郭勒盟2023-2024学年高二上学期期末教学质量检测数学试卷江西省上饶市沙溪中学2023-2024学年高二上学期期末数学试题(已下线)3.3.1 抛物线及其标准方程【第三练】“上好三节课,做好三套题“高中数学素养晋级之路