解题方法
1 . 已知等差数列
的前
项和为
,若
,且
、
、
三点共线(该直线不过原点
),则
的值为( )
![](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/1c42214f028e6725351f3df25e4bb171.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b50ec7342673cc1f11b613c3efd3c6c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知双曲线
的离心率
,则曲线
的渐近线的方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be71d1d7b9323ad3887bc4eed036279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1c567b22c69c1c96a5bb71181b7170.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知圆
,
,过点
向圆引两条切线
、
,
、
为切点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05c938fd42f5cb0b9d21cd44acbec6e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc12c55f2676aeb4f696f4a84e4d65b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a0cc78c3e209937bd33da16b04044a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f05c938fd42f5cb0b9d21cd44acbec6e.png)
您最近一年使用:0次
4 . 以等边三角形每个顶点为圆心,以边长为半径,在另两个顶点间作一段孤,三段弧围成的曲边三角形就是勒洛三角形.如图,已知某勒洛三角形的一段弧
的长度为
,则该勒洛三角形的面积是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/01144d13-e55b-4a26-addc-c5b63ac64dba.png?resizew=138)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/01144d13-e55b-4a26-addc-c5b63ac64dba.png?resizew=138)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 .
是虚数单位,设复数
满足
,则
的共轭复数对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0d6e2abf54c57415388c115115403e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
您最近一年使用:0次
解题方法
6 . 已知集合
,集合
,若
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c59c462bd339e5ccaade5033436ad0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2505447459ed2d4de54f358b866971c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2dd5b7732c28eaaef187d95d36fe1d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
7 . 已知函数
.
(1)证明:函数
是奇函数;
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2802c53543e37ee05126bb01c09895f7.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e136393c53d7926c26083ba8c9c3c6.png)
您最近一年使用:0次
名校
解题方法
8 . 函数
,且
的图象恒过定点
,点
又在幂函数
的图象上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759582aeb4a5adf31a35c666778f208e.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5d4ad72c53856f5dccfcf9fe1314a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759582aeb4a5adf31a35c666778f208e.png)
您最近一年使用:0次
2024-02-03更新
|
547次组卷
|
3卷引用:山西省朔州市怀仁市第一中学校2023-2024学年高一上学期1月期末数学试题
名校
解题方法
9 . 在空间直角坐标系
中,
、
、
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a834024400d0730af3e640ca4d5f54b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33b5103a4c35ab0c395c68690a300023.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3aa27f79147ec5171c0c3cdee4d43937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ca47790d04e7880ee9d5f6a0600693.png)
A.![]() |
B.异面直线![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.直线![]() ![]() ![]() |
您最近一年使用:0次
名校
10 . 在数列
中,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb82e7c8edabed969c194ae3a109b5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f11075f2c574b6c59b97fb3038000e38.png)
A.-1 | B.2 | C.![]() | D.1 |
您最近一年使用:0次