名校
解题方法
1 .
的顶点是
,
,
.
(1)求边
上的高所在直线的方程;
(2)求过点A,B,C的圆方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cb9e88d3e58141dba299dcd8edc4e18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb6fd712d967a36c027693a54f91470.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac06bc73b408c6a70bd0f6d24ebb7d2c.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)求过点A,B,C的圆方程.
您最近一年使用:0次
2024-02-23更新
|
216次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
名校
解题方法
2 . 已知
为抛物线
的焦点,点
在
上,且满足
.
(1)求点
的坐标及
的方程;
(2)设过点
的直线
与
相交于
两点,且
不过点
,若直线
分别交
的准线于
两点,证明:以线段
为直径的圆恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37ab7408ffcefcb8e5e1ad4a9c58f1b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8823a20073c4dcdbc9c449f257a96447.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fcb20a6972108871adbf284f9e5006.png)
您最近一年使用:0次
2024-02-23更新
|
238次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
名校
3 . 已知曲线
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5df36143db2ea40b467302fa618e0691.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-02-23更新
|
128次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
名校
4 . 已知等差数列
的前
项和为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
______ .
![](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/30bbe131dd67528d219d7507788d35fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3fdeeb4afe6485ffb00bf83023e704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36243198e5e20c56399e4ad5ac3c519.png)
您最近一年使用:0次
2024-02-23更新
|
407次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
名校
解题方法
5 . 直四棱柱
的所有棱长都为
,点
在四边形
及其内部运动,且满足
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6644a30ee657309846a34a37217280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bf9ef324f1289e205e29fed105c38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36dc264f1496a06c55fa39a7497e334.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/e36d06e7-3f12-49a0-953d-e3c5e68ef082.png?resizew=170)
A.点![]() ![]() |
B.直线![]() ![]() |
C.点![]() ![]() ![]() |
D.![]() |
您最近一年使用:0次
2024-02-23更新
|
208次组卷
|
2卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
6 . 如图,四边形
为矩形,
≌
,且二面角
为直二面角.
平面
;
(2)设
是
的中点,
,二面角
的平面角的大小为
,当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ac451db3443cabb204f96c31fd4a02e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f253eece04f2d23e3fdc338f694ffd5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc6db50a9709c3f4d84eee7bdf1250.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2082c80ef7a33d9d397afccddeeca9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c9c2c831a0552a7c934365bc49ad3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6570aee18d73762e18716bb9dd33109b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefd06c239145a2b6ae87a955aa51414.png)
您最近一年使用:0次
2024-02-01更新
|
991次组卷
|
3卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
名校
7 . 已知等差数列
中,
,则数列
的公差为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb3b7b13e91e95aef1b809bebbd47126.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.4 | B.3 | C.1 | D.![]() |
您最近一年使用:0次
2024-01-27更新
|
1742次组卷
|
3卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷山西省朔州市怀仁市第一中学校2023-2024学年高二上学期1月期末数学试题(已下线)第一章 数列(单元基础检测卷)-2023-2024学年高二数学同步精品课堂(北师大版2019选择性必修第二册)
名校
解题方法
8 . 已知正项数列
前n项和为
,满足
,数列
满足
,记数列
的前n项和为
,
(1)求数列
的通项公式;
(2)求满足不等式
的正整数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73884a7d765a6d27e76661c1792bd946.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e22f6641a74f0570d8044438f1ff0b3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求满足不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cf6f3f007d63219071bb5228a8efac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-01-27更新
|
495次组卷
|
3卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷湖南省永州市2023-2024学年高二上学期期末质量监测数学试题(已下线)专题04数列求和的6种常考题型归类【好题汇编】-备战2023-2024学年高二数学下学期期末真题分类汇编(北师大版2019选择性必修第二册)
9 . 直线
经过的定点坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237ef81fbd2f6f112aeb63635d03bfdb.png)
您最近一年使用:0次
2024-01-27更新
|
288次组卷
|
3卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷
10 . 已知平行六面体
中,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dfbc5db84d4302f717aae5783e1d5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbee396706deb08c19137f99c1deb73.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-27更新
|
957次组卷
|
7卷引用:湖南省株洲市第二中学2021-2022学年高二上学期第三次月考数学试卷