名校
1 . 如图,在三棱柱
中,
.
;
(2)若
,求平面
与平面
夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ca079262781ff681048d99ea02c2bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fd38f4fd6af2418573bcc7b67119be5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf1cc9995c3846117daa8cf10aadf22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b7b7793d29d66dfdd89e7a6564a35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e53b212640dadf751ef7f65a78a209.png)
您最近一年使用:0次
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解题方法
2 . 在直角坐标平面内,已知点
,动点
.设
、
的斜率分别为
,且
.设动点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
的直线
交曲线
于
两点,是否存在常数
,使
恒成立?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafdf8b4a9210f9cb02756294a395a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/712a4253fe8b45eee457c5112d546f98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcb71b9faccca05307b72582a3be8cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ee82573986d4fa6a7ee1b5f397edae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dcf02e64b9374c513c6bf9c31ad3cf0.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/86e203b7c9a6600e0272c58a23733490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6545388fa17b4e0d1d2013b58db82.png)
您最近一年使用:0次
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3 . 设
,曲线
在点
处的切线与
轴相交于点
.
(1)求实数
的值;
(2)若函数
有三个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70a9ee03f6fa95ebd578dbad3a9ae9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f2be8f1e796226f1b0fa95f6aea35d.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81432e58c6a5030be2c5d73183b4176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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4 . 已知数列
满足
.
(1)求数列
的通项公式;
(2)设
为
的前
项和,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd79e0b36290f1646f77e65137e103c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66861fad4a49ff6eaedfe4828dbe455e.png)
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解题方法
5 . 已知双曲线
的右焦点为
,双曲线
与抛物线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf1bce17440e83c1b735d2954010a2a.png)
交于点
.
(1)求
的方程;
(2)作直线
与
的两支分别交于点
,使得
,求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42a960d9c62f797d46caa7a8a4a134a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e117f70e24d9d5fb2ed7f43eb87d7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf1bce17440e83c1b735d2954010a2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f54dd475ff1321041c80738b201c3b6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e9feabc99f62ee569b460e61526e2e.png)
(2)作直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
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解题方法
6 . 如图,在四棱锥
中,底面
为直角梯形,
,
平面
,
,点
分别在线段
和
的中点.
平面
;
(2)求平面
与平面
夹角.
![](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/405effb49ef901476701e72cc47918da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f95475bfc06e884754eb4a455c3f434e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd706c0e3aa382425502a1262dc6b735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7c261740ac2ae26715e1298ca278a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5f236e0c248607721ff77b6ea8b6ee.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab5f236e0c248607721ff77b6ea8b6ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b81fb655624ff75a5eab94de9b8c8e9.png)
您最近一年使用:0次
2024-06-08更新
|
365次组卷
|
2卷引用:云南省玉溪市红塔区云南省玉溪第一中学2023-2024学年高二下学期6月月考数学试题
名校
解题方法
7 . 已知等比数列
的前
项和为
,且数列
是公比为2的等比数列.
(1)求
的通项公式;
(2)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/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e18eb693f55edd2b9f26d3a7010d25.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e91f5915e62b151b18156b548e97ce34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9928e46511e601913619a427ded84a3.png)
您最近一年使用:0次
2024-05-12更新
|
1334次组卷
|
4卷引用:云南省玉溪市红塔区云南省玉溪第一中学2023-2024学年高二下学期6月月考数学试题
云南省玉溪市红塔区云南省玉溪第一中学2023-2024学年高二下学期6月月考数学试题2024届河北省秦皇岛市部分高中高三二模数学试题(已下线)易错点6 求数列通项时遗漏对首项的验证(已下线)专题07 数列通项与数列求和常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)
名校
8 . 已知函数
.
(1)试讨论函数
的单调性;
(2)当
时,不等式
恒成立,求整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44ae10144aef6e54cab4e8b4582f04b8.png)
(1)试讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5184782e1e51cebf8996770dcd62d7fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-05-08更新
|
575次组卷
|
2卷引用:云南省玉溪第一中学2023-2024学年高二下学期期中考试数学试题(特长级部)
名校
9 . 大气污染物
的浓度超过一定的限度会影响人的健康,为了研究
的浓度是否受到汽车流量的影响,某校数学建模社团选择了某市8个监测点,统计每个监测点
内过往的汽车流量(单位:千辆),同时在低空相同的高度测定每个监测点该时间段内的
的平均浓度(单位:
),得到的数据如下表所示:
并计算得:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e59a3a902d8bf59fdb0ebaee591b8c.png)
.
(1)求变量y关于
的线性回归方程;
(2)根据
内
浓度确定空气质量的等级标准,则
浓度在
为优良.建模社团计划从8个监测点中随机抽3个监测点再做一次数据统计,记抽到空气质量优良的监测点个数为
,求
的分布列与期望.
参考公式:线性回归方程为
,其中以
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e434630d02f3aabcfbfabbb4587283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e434630d02f3aabcfbfabbb4587283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8430ef61acfa156dc277b370c51a332d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e434630d02f3aabcfbfabbb4587283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3e478d4c82e2e9c1f3808344c16089c.png)
监测点编号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
![]() | 1.300 | 1.444 | 0.786 | 1.652 | 1.756 | 1.754 | 1.200 | 0.908 |
![]() | 66 | 76 | 21 | 170 | 156 | 120 | 72 | 129 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e59a3a902d8bf59fdb0ebaee591b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8102fbdab4ee9e68aa9dbb42259217f7.png)
(1)求变量y关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)根据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8430ef61acfa156dc277b370c51a332d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e434630d02f3aabcfbfabbb4587283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e434630d02f3aabcfbfabbb4587283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7256241f8872ac1d3b651290234dbe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
参考公式:线性回归方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfa6528690a49d3c43d85f57c7f1d132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2dbdbf02e0dd324daba7488c3e3bf31.png)
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2024-04-26更新
|
364次组卷
|
2卷引用:云南省玉溪市红塔区云南省玉溪第一中学2023-2024学年高二下学期6月月考数学试题
名校
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849b8f5976d59dca2e6926c3c048d00.png)
(1)求曲线
在点
处的切线方程;
(2)求证:函数
的图象位于直线
的下方;
(3)若函数
在区间
上无零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849b8f5976d59dca2e6926c3c048d00.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04adfa887e965fe283aa9661f2ac8def.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2024-04-24更新
|
431次组卷
|
5卷引用:云南省玉溪第一中学2023-2024学年高二下学期第二次月考数学试题
云南省玉溪第一中学2023-2024学年高二下学期第二次月考数学试题上海市松江二中2023-2024学年高二下学期期中数学试卷(已下线)专题3 导数与函数的零点(方程的根)【讲】湖南省衡阳市第一中学2024年高二下学期期中考试数学试卷(已下线)专题05导数及其应用全章复习攻略--高二期末考点大串讲(沪教版2020选修)