名校
解题方法
1 . 如图,四面体
中,
是
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/839f1a83-0737-49b4-bb9a-d8ad2a99aad9.png?resizew=158)
(1)当
在线段
上移动时,判断
与
是否垂直,并说明理由;
(2)若
,当
是线段
的中点时,求
到平面
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14962080b72231f25261a5c5394096ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/839f1a83-0737-49b4-bb9a-d8ad2a99aad9.png?resizew=158)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1dc675917c2c467d3d612d4ddc08d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4734735213b599a9915e1ed91a5d8ce4.png)
您最近一年使用:0次
2022-11-02更新
|
633次组卷
|
4卷引用:四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(理)试题
四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(理)试题河南省洛平许济2022-2023学年高三上学期第一次质量检测文科数学试题江西省上高二中2023届高三上学期第四次月考数学(文)试题(已下线)8.6.2直线与平面垂直的性质定理(第2课时)(精讲)(2)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)
名校
解题方法
2 . 已知椭圆
的一个顶点为
,离心率为
.
(1)求椭圆
的标准方程;
(2)斜率为1的直线与椭圆
交于
两点,
①若
,求直线方程;
②求
面积的最大值(
为坐标原点)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c3a2f5b0702ea9fbb9dc8904579737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827ccf0c04aa941ba20d5f4c6068b46b.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)斜率为1的直线与椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2022-11-01更新
|
747次组卷
|
4卷引用:四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(文)试题
名校
解题方法
3 . 已知椭圆
的离心率为
,短轴长为2.
(1)求椭圆
的标准方程;
(2)点
,斜率为k的直线l不过点
,且与椭圆
交于A,B两点,
(O为坐标原点).直线l是否过定点?若过定点,求出定点坐标;若不过定点,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
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adb619ca92790d5d3fa7652210ff8eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cb4a0351dfdaed7a2b4f9937081c19.png)
您最近一年使用:0次
2023-03-20更新
|
1379次组卷
|
9卷引用:四川省乐山市沫若中学2022-2023学年高二下学期4月月考数学(理)试题
四川省乐山市沫若中学2022-2023学年高二下学期4月月考数学(理)试题广西玉林市2020-2021学年高二上学期期末数学(理)期末考试试题(已下线)大题专练训练30:圆锥曲线(探索性问题2)-2021届高三数学二轮复习(已下线)大题专练训练21:圆锥曲线(椭圆:定值定点问题1)-2021届高三数学二轮复习宁夏固原市第一中学2021届高三下学期第一次模拟考试数学(文)试题宁夏银川市第二中学2023届高三模拟数学(文)试题福建福州屏东中学2022-2023学年高二下学期期中考试数学试题四川省仁寿第二中学2022-2023学年高二下学期第二次教学质量检测理科数学试题四川省仁寿第二中学2022-2023学年高二下学期第二次教学质量检测文科数学试题
名校
解题方法
4 . 如图,在长方体
中,
,点
在棱
上,
,
,
分别为
的中点,
与
相交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/d737b9ad-71c7-448c-87f6-999c144b555e.png?resizew=175)
(1)求证:平面
平面
;
(2)求平面
与平面
的夹角的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ef95ee1aee496ee5a091988428e2efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e988432f2e8743287e5e753eff0e54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cab95678b6f65bc7d15f8f609352c9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cfbc0b5a8fbde804bd8425a4b76d207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/1/d737b9ad-71c7-448c-87f6-999c144b555e.png?resizew=175)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05bc9b73db4cc077ad6ad4004d7c9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c09afc70f448545336304333d5b5658b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
您最近一年使用:0次
2022-10-31更新
|
239次组卷
|
2卷引用:四川省乐山沫若中学2022-2023学年高二上学期第二次月考(期中考试)数学(理)试题
名校
解题方法
5 . 如图,在四棱锥
中,
平面
,
,
,
,
, E为PD的中点,点F在PC上,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/ca551637-980a-49cc-b8d0-20e7bfe56d93.png?resizew=174)
(1)求证:
平面
;
(2)设点G在PB上,且
.判断直线AG是否在平面AEF内,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a923784f083b7f4777891afe06b44e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f88454ace46996b99361d18e76189cdc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/ca551637-980a-49cc-b8d0-20e7bfe56d93.png?resizew=174)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f30533da2e1d2a958dc906c37eba9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)设点G在PB上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/557010ef2b20618df4771ac66daef18f.png)
您最近一年使用:0次
名校
6 . 在直三棱柱
中,E是棱AB的中点,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/55bacd50-e727-490f-9eda-894cae605118.png?resizew=203)
(1)求证:
平面
;
(2)求异面直线
与
所成的角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bba2741ee3064f3d316621d36f0aa9c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/645d46c17903078e0b38279353c5430d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/55bacd50-e727-490f-9eda-894cae605118.png?resizew=203)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd597851c0db4e4de4769e10e09383b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f233b375753611ffa7a93c2c12ef5e28.png)
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
您最近一年使用:0次
2022-10-27更新
|
968次组卷
|
5卷引用:四川省乐山市沫若中学2022-2023学年高二上学期第一次月考数学试题
四川省乐山市沫若中学2022-2023学年高二上学期第一次月考数学试题(已下线)专题8-4 非建系型:探索性平行与垂直证明及求角度(已下线)8.5.2 直线与平面平行 (精讲)(1)-【精讲精练】2022-2023学年高一数学下学期同步精讲精练(人教A版2019必修第二册)(已下线)第26讲 空间直线、平面的平行的判定4种常见方法四川省射洪中学2022—2023学年高一下学期(强基班)第二次月考数学试题
7 . (如图)在底面半径为2母线长为4的圆锥中内接一个高为
的圆柱.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/93af5310-c891-43c1-8843-cf1d776a65f0.png?resizew=201)
(1)求圆锥的表面积和体积;
(2)
为何值时,圆柱的侧面积最大?并求出最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/31/93af5310-c891-43c1-8843-cf1d776a65f0.png?resizew=201)
(1)求圆锥的表面积和体积;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
名校
解题方法
8 . 如图,在正方体
中,
,
为棱
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/9b4c1dbd-6bda-471f-af1b-c3ce0ba60430.png?resizew=197)
(1)求证:
;
(2)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/28/9b4c1dbd-6bda-471f-af1b-c3ce0ba60430.png?resizew=197)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9316e2161555c8ca09c5f6553b115ef7.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0278f9809e118b80c9946d9b9ae40c83.png)
您最近一年使用:0次
9 . 已知函数
的解析式
.
(1)求
;
(2)若
,求
的值;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a704138fb2de18c34e923b63cacf48c0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ad96903cd7fded15d5eb140115a61f0.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882f123ba7d448aee899d95ac0ee5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
2022-10-23更新
|
707次组卷
|
5卷引用:四川省乐山市峨眉文旅综合高中学校2022-2023学年高一上学期第二次月考数学试题
名校
解题方法
10 . 已知圆
过点
,
,且圆心
在直线
上.
(1)若从点
发出的光线经过直线
反射,反射光线
恰好平分圆
的圆周,求反射光线
所在的直线方程.
(2)若
在直线
上运动,
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a400c3c4f5c6500827cb85b630e61176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6360c27cbf53cba3326cffda5707a74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0458b051cef821d2c97eb6487b410229.png)
(1)若从点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc499a5d891f2d4b1a5ec8904d210f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccfe9bac0bf9b7bd5c685d946d6b74e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce619c464f2aa04178ea0111ba60544.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eacd9c1ce5e65fec29c32f40d86b73d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a159de0b2d9eb1ae0b7e664e64d3c6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895590af5cc3fb47b005d7bd9394ad1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665ae07decd928877f84193f4edc6773.png)
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2022-10-19更新
|
344次组卷
|
2卷引用:四川省乐山市犍为外国语实验学校2023-2024学年高二上学期12月月考数学试题