名校
解题方法
1 . 已知函数
是定义在R上的增函数,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dce724857bb0f650cbc8a411332c32.png)
(1)求
的值;
(2)判断函数
的奇偶性并证明;
(3)若
,求x的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74dce724857bb0f650cbc8a411332c32.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30db291a387b63ee3bacc7eb30f450f9.png)
您最近一年使用:0次
2023-09-17更新
|
2092次组卷
|
6卷引用:吉林省长春外国语学校2022-2023学年高一上学期11月期中数学试题
吉林省长春外国语学校2022-2023学年高一上学期11月期中数学试题吉林省辽源市田家炳高中友好学校2023-2024学年高一上学期期末联考数学试题重庆市永川双石中学校2023-2024学年高一上学期半期考试(期中)数学试题甘肃省兰州成功学校2024届高三上学期第二次月考数学试题(已下线)高一上学期期中考测试卷(基础)-《一隅三反》(已下线)第5章 函数概念与性质 章末题型归纳总结 (1)-【帮课堂】(苏教版2019必修第一册)
名校
2 . 如图,等腰直角,
,
,
、
分别为
、
中点,将
沿
翻折成
,得到四棱锥
,
为
中点.
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53569e6ec795658b4fffcddeebe0f142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4739ad948445af72d585fe29c745929b.png)
您最近一年使用:0次
2023-08-25更新
|
768次组卷
|
4卷引用:吉林省长春市长春净月高新技术产业开发区东北师范大学附属中学2022-2023学年高二上学期期中数学试题
吉林省长春市长春净月高新技术产业开发区东北师范大学附属中学2022-2023学年高二上学期期中数学试题(已下线)考点巩固卷18 空间向量与立体几何(九大考点)(已下线)第3章 空间向量及其应用 单元综合检测(重点)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)(已下线)专题05 直线与平面的夹角4种常见考法归类-【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
名校
解题方法
3 . 如图,在正三棱柱
中,
,点
在
上,且
,
为
中点,证明:
(1)
平面
;
(2)平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa3d0db9ad31d33c2883a6efed1dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86cd21f01a0ff0a12dcd8c3e40ff5f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/26/61161d54-a52f-445f-9839-39ddb3cb1b8e.png?resizew=159)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde9b576a6b6e6d56e92f75e9c01a4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07a33bc93519e73c348079a3fdf90af.png)
(2)平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84a7daa3e613b36ed510a93bce3be664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07a33bc93519e73c348079a3fdf90af.png)
您最近一年使用:0次
名校
解题方法
4 . 如图,四棱锥
中,
,
,
,
,
,
为线段
中点,线段
与平面
交于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f5fb60cd-f205-47d6-b4ca-6b8ded0f0c2e.png?resizew=197)
(1)证明:平面
平面
;
(2)求平面
与平面
夹角的余弦值;
(3)求四棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e1bfda3eb47e76080a877533deb072b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cd8ba7eb52e38857830162e770f534.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/27/f5fb60cd-f205-47d6-b4ca-6b8ded0f0c2e.png?resizew=197)
(1)证明:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3653ada76ba0c8afe9d57c8e7832c6ed.png)
(3)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c5db0d86500773db74278f092f3d78.png)
您最近一年使用:0次
2023-08-25更新
|
1106次组卷
|
3卷引用:吉林省长春市长春净月高新技术产业开发区东北师范大学附属中学2022-2023学年高二上学期期中数学试题
吉林省长春市长春净月高新技术产业开发区东北师范大学附属中学2022-2023学年高二上学期期中数学试题(已下线)专题03 空间向量求角度与距离10种题型归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)(已下线)难关必刷01 空间向量的综合应用-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)
名校
解题方法
5 . 椭圆
的左右焦点分别为
,焦距为
,点M为椭圆上位于x轴上方的一点,
,且
的面积为2.
(1)求椭圆C的方程;
(2)设椭圆
的左、右顶点分别为
,直线
交椭圆
于
两点,记直线
的斜率为
,直线
的斜率为
,已知
.求证:直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19de2aa3e4ebac2e720d6b3e04523847.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
(1)求椭圆C的方程;
(2)设椭圆
![](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/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7096cc7dae512c88ea3ad3d513f9e164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2022-10-15更新
|
1313次组卷
|
6卷引用:吉林省长春市博硕学校(原北京师范大学长春附属学校)2022-2023学年高二上学期期中数学试题
吉林省长春市博硕学校(原北京师范大学长春附属学校)2022-2023学年高二上学期期中数学试题江苏省南京市秦淮中学、宇通实验学校等六校2022-2023学年高三上学期10月学情调研数学试题(已下线)考向36 直线与圆锥曲线最全归纳(十六大经典题型)-3(已下线)专题32 一类与斜率和、差、商、积问题的探究-2(已下线)第五篇 向量与几何 专题9 完全四点形的调和性 微点2 完全四点形的调和性综合训练(已下线)专题7-4圆锥曲线五个方程型大题归类-1
名校
6 . 如图,四棱锥
中,底面
是矩形,
,
.
为
上的点,且
平面
;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/b058fcce-a7e2-4bb8-8e4f-1c937e0838af.png?resizew=161)
(1)求证:
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffddeafce03aae663bc823e2d5127c61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93451ea7ec8499b913753dbc32191d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0edb1508fc95765f3bb316bcb5252d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ca5b5fd1031438de2d2dd59be8c348.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/11/b058fcce-a7e2-4bb8-8e4f-1c937e0838af.png?resizew=161)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1b49f64e0065edad868b25e9fcada3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7b312de408dda638ca3e9c687549d46.png)
您最近一年使用:0次
2022-11-26更新
|
518次组卷
|
3卷引用:吉林省辽源市第五中学校2022-2023学年高三上学期期中数学试题
名校
7 . 已知椭圆
过点
,A、B为左右顶点,且
.
(1)求椭圆C的方程;
(2)过点A作椭圆内的圆
的两条切线,交椭圆于C、D两点,若直线CD与圆O相切,求圆O的方程;
(3)过点P作(2)中圆O的两条切线,分别交椭圆于两点Q、R,求证:直线QR与圆O相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3c639884f0ea1fe96c254e452d9420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
(1)求椭圆C的方程;
(2)过点A作椭圆内的圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7121bfdb53eb8307706e8c63c4569b1d.png)
(3)过点P作(2)中圆O的两条切线,分别交椭圆于两点Q、R,求证:直线QR与圆O相切.
您最近一年使用:0次
2022-09-29更新
|
859次组卷
|
3卷引用:吉林省长春市实验中学2022-2023学年高二上学期期中数学试题
名校
解题方法
8 . 已知数列
中,
,其前n项和为
,
.
(1)求数列
的通项公式;
(2)设
,若数列
的前n项和为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f1c9bdfb252a71b1fc88d7f8082240.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5214360ac0152818f5b95b805f6e615c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50048f2ab3c89aa1dd2ddb75df35b47f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c215db1d8f69757118ad405b78035628.png)
您最近一年使用:0次
2022-10-29更新
|
672次组卷
|
4卷引用:吉林省通化市辉南县第六中学2022-2023学年高二上学期期中数学试题
吉林省通化市辉南县第六中学2022-2023学年高二上学期期中数学试题湖南省郴州市2022-2023学年高三上学期第一次教学质量监测数学试题江苏省南京市第一中学2022-2023学年高三上学期9月质量检测数学试题(已下线)4.3.1 等比数列的概念(第2课时)(分层作业)-【上好课】2022-2023学年高二数学同步备课系列(人教A版2019选择性必修第二册)
名校
解题方法
9 . 在平面直角坐标系
中,已知椭圆
的长轴长为4,且焦距为2.
(1)求椭圆
的标准方程;
(2)设椭圆
的左、右顶点分别为
,直线
过
的右焦点
,且交
于
两点,若直线
与
交于点
,求证:点
在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0f817d289cb729b212ff28cf3bcdd5.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设椭圆
![](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/0f85fca60a11e1af2bf50138d0e3fe62.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
名校
10 . 已知函数
,
.
(1)函数
为函数
的导函数,当
时,证明:
,
恒成立;
(2)当
时,证明:函数
存在极值点
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f8c170c399b29eff1ab8cbd5c5d342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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