名校
1 . 在平面直角坐标系xoy中,已知
,圆C:
与x轴交于O ,B.
(1)证明:在x轴上存在异于点A的定点
,使得对于圆C上任一点P,都有
为定值;
(2)点M为圆C上位于x轴上方的任一点,过(1)中的点
作垂直于x轴的直线l,直线OM与l交于点N,直线AN与直线MB交于点R,求证:点R在椭圆上运动.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6316e0e6da742e9b035d8f2cc91a4dd.png)
(1)证明:在x轴上存在异于点A的定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c7383714dc2ac9fe164e26a4d1bbd0c.png)
(2)点M为圆C上位于x轴上方的任一点,过(1)中的点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/439e95540157803d4ac3cf61a49f50a8.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
与
的定义域为R,若对任意区间
,存在
且
,使
,则
是
的生成函数.
(1)求证:
是
的生成函数;
(2)若
是
的生成函数,判断并证明
的单调性;
(3)若
是
的生成函数,实数
,求
的一个生成函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71717fb069fa0f5a1d196b6484618351.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92c035964f2f9d1c84a91cc651fb5e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b23eea271d1b00e358ca6dc048e8134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fad236fddf9598b319a1acd223a9269.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d761c4444f5eac17133caaf19d6b9ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f4b87b2b2d6297cb330a6aa6a96c95.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c18e7d848da79e20188ed6a0225a0c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4133958c09fdd82cda8838c9cf46ccda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aed37e8318fb8ca63e19e06dbcdd791.png)
您最近一年使用:0次
2023-05-05更新
|
568次组卷
|
4卷引用:第3课时 课后 函数的单调性(完成)
(已下线)第3课时 课后 函数的单调性(完成)上海交通大学附属中学2022-2023学年高一下学期期中数学试题湖南省长沙市明德中学2022-2023学年高一下学期5月月考数学试题(已下线)5.2.2 函数的单调性-数学同步精品课堂(沪教版2020必修第一册)
名校
解题方法
3 . 如图一:球面上的任意两个与球心不在同一条直线上的点和球心确定一个平面,该平面与球相交的图形称为球的大圆,任意两点都可以用大圆上的劣弧进行连接.过球面一点的两个大圆弧,分别在弧所在的两个半圆内作公共直径的垂线,两条垂线的夹角称为这两个弧的夹角.如图二:现给出球面上三个点,其任意两个不与球心共线,将它们两两用大圆上的劣弧连起来的封闭图形称为球面三角形.两点间的弧长定义为球面三角形的边长,两个弧的夹角定义为球面三角形的角.现设图二球面三角形
的三边长为
,
,
,三个角大小为
,
,
,球的半径为
.![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf538440bd45e5881f2b22994560ba7a.png)
(2)①求球面三角形
的面积
(用
,
,
,
表示).
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf538440bd45e5881f2b22994560ba7a.png)
(2)①求球面三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f314e3f1d6311f0476623d4e55484a3e.png)
您最近一年使用:0次
2023-04-21更新
|
384次组卷
|
4卷引用:13.3 空间图形的表面积和体积(分层练习)
(已下线)13.3 空间图形的表面积和体积(分层练习)江苏省徐州市第一中学2022-2023学年高一下学期期中数学试题浙江省A9协作体2022-2023学年高一下学期期中联考数学试题(已下线)11.1.5 旋转体-【帮课堂】(人教B版2019必修第四册)
解题方法
4 . 如图,在直角梯形
中,
,
,
,并将直角梯形
绕AB边旋转至ABEF.
平面ADF;
(2)求证:直线
平面ADF;
(3)当平面
平面ABEF时,再从条件①、条件②、条件③这三个条件中选择一个作为已知,使平面ADE与平面BCE垂直.并证明你的结论.
条件①:
;
条件②:
;
条件③:
.
![](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/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6045266f6db39e41b7abde762d9e9a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
(2)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d27ff0b39832f094ec51e28721d739.png)
(3)当平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6166b9a5437671bcba31e17c375eb39.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c182a9d9fd0a7023b710cd671d9468e7.png)
您最近一年使用:0次
2022-07-08更新
|
1258次组卷
|
11卷引用:模块三 专题10(劣构题)拔高能力练(苏教版)
(已下线)模块三 专题10(劣构题)拔高能力练(苏教版)(已下线)7.2 空间几何中的垂直(精练)(已下线)7.1 空间几何中的平行与垂直(精讲)(已下线)高考新题型-立体几何初步(已下线)8.6.1 空间直线、平面的垂直(精练)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)(已下线)模块三 专题9(劣构题)拔高能力练(北师大版)(已下线)模块三 专题9(劣构题)基础夯实练(人教B)(已下线)模块三 专题9(劣构题)拔高能力练人教A版)(已下线)2023年高考全国乙卷数学(理)真题变式题16-20北京市丰台区2021-2022学年高一下学期期末练习数学试题(已下线)专题06 空间中点线面的位置关系6种常考题型归类(1)-期期末真题分类汇编(北京专用)
名校
5 . 定义:双曲余弦函数
,双曲正弦函数
.
(1)求函数
的最小值;
(2)若函数
在
上的最小值为
,求正实数
的值;
(3)求证:对任意实数
,关于
的方程
总有实根.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f64d8edcac9fb4dc0cdc8c952596b722.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f45428262907786c0f71f8233820ce2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c7df0ad98bbe77abb2c33ca85ea0a3.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e236b7c4a6651b7b88ae885b9ad3dddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7f258ec6fed321bb9be780189249e6f.png)
您最近一年使用:0次
6 . 甲乙两人进行投篮比赛,两人各投一次为一轮比赛,约定如下规则:如果在一轮比赛中一人投进,另一人没投进,则投进者得1分,没进者得-1分,如果一轮比赛中两人都投进或都没投进,则都得0分,当两人各自累计总分相差4分时比赛结束,得分高者获胜.在每次投球中甲投进的概率为0.5,乙投进的概率为0.6,每次投球都是相互独立的.
(1)若两人起始分都为0分,求恰好经过4轮比赛,甲获胜的概率.
(2)若规定两人起始分都为2分,记
(
)为甲累计总分为i时,甲最终获胜的概率,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d18ef9cb9aa07db578b1bbb059068.png)
①求证
(
)为等比数列
②求
的值.
(1)若两人起始分都为0分,求恰好经过4轮比赛,甲获胜的概率.
(2)若规定两人起始分都为2分,记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f41a845f0d23659d93d6712774ccd09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9fe95e44063bb75f163206c17eaa8b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a0d18ef9cb9aa07db578b1bbb059068.png)
①求证
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/332ef968df2c6e9ed31a926e275adcb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91ca738a745d910c37350fd771c6bb50.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bea0dd7e474bcd04db2544427ba0488.png)
您最近一年使用:0次
7 . 已知平面上三点A,B,C.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a3fe0fe3-41fe-4dda-af92-01098391da67.png?resizew=142)
(1)若该三点构成三角形,且
,建立适当的坐标系,用解析法证明:底边
上任意一点到两腰的距离之和等于一腰上的高;
(2)若
,
,且动点B满足
.
①求动点B的轨迹方程;
②当动点B满足
时,求B点的纵坐标.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/a3fe0fe3-41fe-4dda-af92-01098391da67.png?resizew=142)
(1)若该三点构成三角形,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5a4bf8028cee9396367b68ea8e6f80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e84f5c91c910aaafc5e74dbfbdf59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24f172a287592897ea4378a2ad29013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcb7c773e89873d10a4754ef1d5909d.png)
①求动点B的轨迹方程;
②当动点B满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3493ae59c386883c6a7eab670ee251c7.png)
您最近一年使用:0次
8 . 如图,在平面直角坐标系中,
为直线
上一动点,圆
与
轴的交点分别为
点,圆
与
轴的交点分别为
点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/45026cdb-fe49-42a1-a3ef-f27080018e41.png?resizew=140)
(1)若
为等腰三角形,求P点坐标;
(2)若直线
分别交圆
于
两点.
①求证:直线
过定点,并求出定点坐标;
②求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de72a5190834f5dbe895596656c038b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/16/45026cdb-fe49-42a1-a3ef-f27080018e41.png?resizew=140)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06d8b52e3af66655cf61ed2683bf4098.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cee81e14bee7bf95ed1281613609d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
①求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
②求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37f7987952c67ec6baf51bfdca434180.png)
您最近一年使用:0次
2023-11-16更新
|
882次组卷
|
4卷引用:江苏省扬州市仪征中学、江都中学2024届高三12月联考数学试题
名校
解题方法
9 . 已知图①中四边形
是圆
的内接四边形,沿
将
所在圆面翻折至如图②所示的位置,使得
.
(1)若
,证明:
;
(2)若
,求二面角
余弦值的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/212bfbd5575772ca36d6fc3e7b246e49.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/7/00bb3173-f178-4afc-a32a-ce9df56155f4.png?resizew=283)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c11630c98df712a47b68e9164cc8670d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/125525eace86ae47a292f1b5d5b684e2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc87e265613c62406721428c033b77d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c909cd1b6f3fa1ec39eb245e8f5c11c.png)
您最近一年使用:0次