1 . 已知函数
(
,
)的两个零点分别为
,
,若
,
,-1三个数适当调整顺序后可为等差数列,也可为等比数列,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fb8c2ea6117596f02445b70d19afb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cec12441802f71e803efaf2c62ee588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2893a58a8dc9b0fe9da4691de097453d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-09更新
|
854次组卷
|
5卷引用:黄金卷04(文科)
名校
解题方法
2 . 已知
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce791cfab13bbec81eac137a240e1c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6ccd7988944231346de7604e5d45189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc61680fe288cfc05d20e16466dac521.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023·全国·模拟预测
名校
解题方法
3 . 数列
的前
项和
满足
.
(1)令
,求
的通项公式;
(2)令
,设
的前
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/d550d16266351ceaf0def8b5b5f7f69f.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c07cefac60bb3fcde0bded804501c90b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/201ea7e817320fe3c25693e4ad8f1365.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02e80983b88cdf6b540502816c87d13.png)
您最近一年使用:0次
解题方法
4 . 在
中,角A,B,C的对边分别为a,b,c,
,
,当
的面积取最大值时,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff09908d8a83f8349d062dc2503c5d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
2023-12-22更新
|
351次组卷
|
3卷引用:黄金卷04(文科)
名校
解题方法
5 . 平面直角坐标系
中,定点A的坐标为
,其中
.若当点
在圆
上运动时,
的最大值为0,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca21658f32657620b4026d8b295e73e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34281318027f1d9d7cffd42d2cca8df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a353d1a988596880c0a48c2303d20c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b0ba14e41e306e5633ad4bf1cdedd8.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-12-21更新
|
443次组卷
|
4卷引用:黄金卷04(文科)
(已下线)黄金卷04(文科)(已下线)专题11 平面向量小题全归类(练习)北京市西城区北师大附属实验中学2024届高三上学期12月月考数学试题北京市第二中学2023-2024学年高三下学期开学考试数学试卷
名校
解题方法
6 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b7e370849b85207af71e68abcb878da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a80bdd35bc1944f255beabf5cb1245.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 已知函数
在
处的切线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edcf6b11ed81dc8f96dc197c0b3b0674.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36eaa4e819d4643ce02c8f3abf78b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3cb8d72bb2e281b943b3b430138ef7.png)
您最近一年使用:0次
名校
解题方法
8 . 已知数列
,
满足
,
,
.
(1)证明:
为等差数列.
(2)设数列
的前
项和为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f36d3e296ccb057abe4fe6fa833d4be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d01824d6c9834ab0b39c1ad720780f3.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)设数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2f4058643806abb49005edb639db636.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/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2023-12-12更新
|
707次组卷
|
5卷引用:黄金卷04(理科)
(已下线)黄金卷04(理科)(已下线)专题06 等差数列及其前n项和8种常见考法归类(1)(已下线)数列专题:数列求和的常用方法(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)四川省绵阳南山中学实验学校2024届高三下学期4月月考理科数学试题河南省创新发展联盟2023-2024学年高二上学期第四次联考(12月)数学试题
名校
解题方法
9 . 已知集合
,若
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b53f1e6625879828edd0872903e058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f1ba0a1129741502600e47bf058c98.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
10 . 已知函数
在
上单调,且
,则
的取值共有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/308f2fc52806de20486b103d3fffdebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e68d62482d548bcd517188178fd36bc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/505b6bcb11f9bf6a38227a9608a1a213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次