名校
解题方法
1 . 已知椭圆
的两个焦点为
,
,点
,
为
上关于坐标原点对称的两点,
,
的面积记为
,且
,则
的离心率的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6297372e4b605fd93cd77099afd3c527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50667ce76318b23b69ac6b8e16dc80d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2491c4c81e3bffae9cc8ff77bec6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4卷引用:江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)
江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)四川省眉山市仁寿县2023-2024学年高二上学期12月联考数学试题宁夏回族自治区银川市贺兰县第一中学2023-2024学年高二上学期期末复习数学试题(五)(已下线)高二数学开学摸底考02(人教B版2019,范围:选择性必修第一册+第二册)-2023-2024学年高二数学下学期开学摸底考试卷
名校
2 . 如图,在三棱台
中,
平面
,
,
.
(1)证明:
;
(2)若平面
与平面
的夹角的余弦值为
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8bfe2553e852df73185d017c0a62fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b7852669d7f32cdad2880e22aaf1d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d793ef38a791019fbb77a89b30b343bc.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/b5fd37e2-45eb-4aa2-bc07-5776b01eb7ea.png?resizew=172)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82343ddf8316e0a9a50c21c422bdc930.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d0fba11e798168ad2e6d05215cf69b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9afac7c616bbb14e1ed428a3c507c7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa42621cd6793e7f3673fdb49bc3123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
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|
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名校
解题方法
3 . 已知点
在棱长为
的正方体
的表面上运动,且四面体
的体积恒为
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d86808efd856d264cef9d0f3826f0001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
A.![]() ![]() |
B.四面体![]() ![]() |
C.二面角![]() ![]() |
D.当![]() ![]() |
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4 . 已知抛物线
的焦点为F,过F作两条互相垂直的直线
,
,
与C相交于P,Q,
与C相交于M,N,
的中点为G,
的中点为H,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
A.![]() | B.![]() |
C.![]() | D.当![]() ![]() |
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6卷引用:江西省贵溪市实验中学2024届高三下学期5月高考冲刺压轴卷(一)数学试卷
江西省贵溪市实验中学2024届高三下学期5月高考冲刺压轴卷(一)数学试卷重庆市杨家坪中学2023-2024学年高二上学期第三次月考数学试题福建省泉州市实验中学2023-2024学年高二上学期1月考试数学试题广东省珠海市第一中学2023-2024学年高二上学期1月阶段测试数学试题(已下线)专题21 抛物线的性质及与抛物线有关的距离最值问题(期末选择题21)2023-2024学年高二数学上学期期末题型秒杀技巧及专项练习(人教A版2019)湖南省长沙市雅礼教育集团2023-2024学年高二上学期期末数学试题
5 . 将圆
上各点的横坐标变为原来的5倍,纵坐标变为原来的4倍,所得的曲线为
.记曲线
与
轴负半轴和
轴正半轴分别交于
两点,
为
轴上一点.
(1)求曲线
的方程;
(2)连接
交曲线
于点
,过点
作
轴的垂线交曲线
于另一点
.记
的面积为
,记
的面积为
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ebaa32f4f1f4f807ca9aeb7fb29951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a721d96629505365255cb8391189e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21786fe6fbbd671ba5158f4a920b8884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164a4df60a15587971e883cf557b5ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
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|
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|
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名校
解题方法
6 . 如图,在四棱锥
中,
平面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1aaf71cdccea88efde50aecba5a503.png)
,点
是
的重心.
平面
;
(2)若直线
与平面
所成角的正弦值为
,求
的长度.
![](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/0f1aaf71cdccea88efde50aecba5a503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b4e5b801be36880ccdf55260d89cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
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|
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|
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名校
解题方法
7 . 已知双曲线
:
的左、右焦点分别为
,
,倾斜角为
的直线
与双曲线
在第一象限交于点
,若
,则双曲线
的离心率的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b92247e1bcbc7c2678b18fc9375b2717.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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5卷引用:江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(八)
江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(八)2024届广东省部分学校高三12月联考一模数学试题江苏省泰州市兴化市2024届高三上学期期末适应性考试数学试题(已下线)模块5 周期变化篇 第5讲:三角形中的最值范围问题【练】宁夏回族自治区银川市银川一中2024届高三上学期第六次月考数学(理)试题
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8 . 在棱长为2的正方体
中,
,点M为棱
上一动点(可与端点重合),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c88961cc1ea9e81bd1a76dddb2ce2276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
A.当点M与点A重合时,![]() ![]() |
B.当点M与点B重合时,![]() |
C.当点M为棱![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
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|
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名校
解题方法
9 . 已知圆
,点
,P是圆M上的动点,线段PN的中垂线与直线PM交于点Q,点Q的轨迹为曲线C.
(1)求曲线C的方程;
(2)
,点E、F(不在曲线C上)是直线
上关于x轴对称的两点,直线
、
与曲线C分别交于点A、B(不与
、
重合),证明:直线AB过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3eab13918e2a250c9a9eac092e6092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/210fec82bf08fa7f0af56e98f568cc20.png)
(1)求曲线C的方程;
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f24fb2a9a7c16d20c96c1389e2d3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72b0f4398097073abf52b033231ef8c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
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|
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4卷引用:江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(三)
名校
解题方法
10 . 如图,在圆台
中,截面
分别交圆台的上下底面于点
,
,
,
四点.点
为劣弧
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/b1a293cc-0531-4fb5-a1dc-c34eaf1d8ca5.png?resizew=149)
(1)求过点
作平面
垂直于截面
,请说明作法,并说明理由;
(2)若圆台上底面的半径为1,下底面的半径为3,母线长为3,
,求平面
与平面
所成夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbe2aba242716238b79c46bb1f40e88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d1a8ed65b138016acff8c465165337.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/27/b1a293cc-0531-4fb5-a1dc-c34eaf1d8ca5.png?resizew=149)
(1)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d1a8ed65b138016acff8c465165337.png)
(2)若圆台上底面的半径为1,下底面的半径为3,母线长为3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73926ba72492b6a6a935dae64ed59e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105f1100148bbf6d789b9048281755a1.png)
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|
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|
2卷引用:江西省赣州市南康中学2024届高三上学期新高考“七省联考”考前数学猜题卷(一)