名校
解题方法
1 . 已知
和
为椭圆
:
的左顶点和右顶点,点
是椭圆上不与
和
重合的动点,若点
与点
位于直线
异侧,且满足
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/473913c0887bb64d386f4c02f1853452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c81688e5dd46cad7ad384fbe1893eed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c39d64a782230cc0ba1ad0ce0ef162.png)
A.点![]() ![]() | B.点![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2023-11-28更新
|
864次组卷
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2卷引用:辽宁省大连市金州高级中学2023-2024学年高三上学期期中考试数学试题
名校
2 . 如图,已知在直三棱柱
中,F为
的中点,E为棱
上的动点,
,
,
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1f229274a6e17977cc047814212589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92535536bd3c2761724fd058427f95a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea0df817e3e2cd95b9cd8f73386834c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
A.点![]() ![]() |
B.该直三棱柱![]() ![]() |
C.当三棱锥![]() ![]() ![]() |
D.若E是棱![]() ![]() ![]() |
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2023-10-14更新
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1113次组卷
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2卷引用:辽宁省名校联盟2023-2024学年高二上学期10月联合考试数学试题
解题方法
3 . 已知函数
和
,定义集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93a16382ef1c6e4b6eeea2909f358a7.png)
(1)设
,
,若
,求m的取值范围.
(2)设
,
,
,若
,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde66f0ef8ea3ac6d6ac91a93ba69ae5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/544f91d4fb22c571db9f8481b72a0419.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a93a16382ef1c6e4b6eeea2909f358a7.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e204b1d7ee9fec55811da546bd2d9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f220ef5339248b2971cecebb6a92294b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44bac659eca0067a8f5217d0ce62c2c0.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6436413dff637d3ae243f82bd22c4f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24bbf9858659de45bd26111af7babef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6d4b11a69708e588e4bbac9f2b3f6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbf3b0349dc38eb54864384c6ef043e.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,其中
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da6f1cb607f6033a80262e00092b4d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52dda3ae004fe65451ceb01ee376da5f.png)
A.当![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() |
您最近一年使用:0次
2023-10-03更新
|
688次组卷
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2卷引用:辽宁省沈阳市实验中学2023-2024学年高三上学期9月月考数学试题
名校
5 . 若平面与一个球只有一个交点,则称该平面为球的切平面.过球面上一点恒能作出唯一的切平面,且该点处的半径与切平面垂直.已知在空间直角坐标系
中,球O的半径为1.记平面
,平面
,平面
分别为
.过球面上一点
作切平面
,且
与
的交线为
,下列说法正确的是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5e336d6ca2cae3d6e6c3810d7e521a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd48d1ef9e8cd3b7aea60fd95b70fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ef1e8a88d934eca5399decc64fdbd43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ba63ad02b1d5af2982fac3d91eb15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1212a95408ff7dfc94efd31c7c4dd78b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428a7ced2c03cf0b36888f9a154c4894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428a7ced2c03cf0b36888f9a154c4894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c34517f479fb08f6096d2fb0362f3ad0.png)
A.![]() ![]() |
B.![]() ![]() |
C.过![]() ![]() ![]() ![]() ![]() ![]() |
D.过球面上任意一点![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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名校
6 . 设方程
有三个实数根
.
(1)求
的取值范围;
(2)请在以下两个问题中任选一个进行作答,注意选的序号不同,该题得分不同.若选①则该小问满分4分,若选②则该小问满分9分.
①证明:
;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b513d7bdd17b6ead5295a0400d0ab15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b2755e84aeb379e0117e278f71ca0a9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)请在以下两个问题中任选一个进行作答,注意选的序号不同,该题得分不同.若选①则该小问满分4分,若选②则该小问满分9分.
①证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5600c61eb9170becdd342ee5619d412d.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af8a6b51796f510821931ea6a9d9cc50.png)
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7 . 已知数列
满足
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8323901a49cac29afd7d62864f088077.png)
(1)求数列
的通项公式.
(2)设
,其中e是自然对数的底数,求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9d14639c0fa53eb22c53543f8019b4.png)
(3)设
为数列
的前
项和,实际上,数列
存在“极限”,即为:存在一个确定的实数S,使得对任意正实数u都存在正整数m满足当
时,
(可以证明S唯一),S称为数列
的极限.试根据以上叙述求出数列
的极限S.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e1138c1ead9ab88bd35beac4cfe272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8323901a49cac29afd7d62864f088077.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0884298be563c93c7ef051f804c921e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9d14639c0fa53eb22c53543f8019b4.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.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/cce224c28ca451c4f105dc3b077736cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/856b137a34d2d5b20671b7a3c7a29606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98739bf7d145427ffe5837c2dabbd978.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce224c28ca451c4f105dc3b077736cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cce224c28ca451c4f105dc3b077736cb.png)
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名校
解题方法
8 . 如图所示,
是边长为3正三角形,
,S是空间内一点,
分别是
,
的二面角,满足
,点D到直线SB的距离是1,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94139af43ead4e1498111c4ff9a2cc55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146b7c16d81ccb92aef1e1f1788f00f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7fe637f1537666932491637f9b3d3ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a5d8831a9bef0f3d882d97d28e6d0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5fb1f1420818dd0bc15b57bcdd3053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b09c783b689f9be3f192e6e32469e816.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/15/4d976eff-e798-4042-a1d8-57a8711e0f12.png?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-08-13更新
|
1713次组卷
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6卷引用:辽宁省部分名校2023-2024学年高二上学期联考数学试题
辽宁省部分名校2023-2024学年高二上学期联考数学试题浙江省温州市2022-2023学年高二下学期学考模拟测试数学试题湖北省武汉外国语学校2023-2024学年高二上学期9月月考数学试题(已下线)高二上学期第一次月考选择题压轴题50题专练-2023-2024学年高二数学举一反三系列(人教A版2019选择性必修第一册)广东省中山市中山纪念中学2024届高三上学期第三次模拟测试数学试题(已下线)第四章 立体几何解题通法 专题三 参数法 微点1 参数法(一)【培优版】
9 . 关于函数
,四名同学各给出一个命题:
甲:
在
内单调递减;
乙:
有两个极值点;
丙:
有一个零点;
丁:
,
.
则给出真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bcb806a41047f614cab47517cf8c3a5.png)
甲:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
乙:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
丙:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
丁:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e81b4aac721bcd4a49593b48a28a8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b562ca77fa64f3ebe40e0ad49833d5.png)
则给出真命题的是( )
A.甲同学 | B.乙同学 | C.丙同学 | D.丁同学 |
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名校
10 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
.( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f304a19256eb0935d95c2adc48eb4bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f57b5a7c0283d2638c7b5a0baba4040.png)
A.若曲线![]() ![]() ![]() ![]() ![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-04-30更新
|
1814次组卷
|
7卷引用:辽宁省沈阳市东北育才学校2022-2023学年高二下学期期中数学试题