1 . 已知复数
,其中
为虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931f0ea819ebe138c35584982c0c6efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9c3d509e77d6a7e4874302308c2aba.png)
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解题方法
2 . 函数
和
均为
上的奇函数,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ea36101bd7f0cefa20125125903e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
A.![]() | B.![]() | C.0 | D.2 |
您最近一年使用:0次
2024-02-13更新
|
1167次组卷
|
2卷引用:广东省茂名市2024届高三一模数学试题
名校
解题方法
3 . 已知数列
的前
项和为
.
(1)求
的通项公式;
(2)若
,求数列
的前
项和
.
![](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/0d8974b3190831823a79d2036867e2b8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/216876de04325fd250c38c485cbc34b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
您最近一年使用:0次
2024-02-12更新
|
2024次组卷
|
7卷引用:广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题
广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题(已下线)5.3.2 等比数列的前n项和(3知识点+8题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)广东省佛山市第二中学2023-2024学年高二下学期第一次月考数学试题广东省东莞市东莞实验中学2023-2024学年高二下学期月考一数学试题宁夏回族自治区石嘴山市平罗县平罗中学2023-2024学年高二下学期第一次月考(4月)数学试题四川省达州外国语学校2023-2024学年高二下学期3月月考数学试题陕西省千阳县中学2023-2024学年高二下学期4月月考数学试卷
4 . 在数列
中,
,则
的前2022项和为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/063ba9099831c78d97357a76bf66ddd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
A.1771 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 在各项均为正数的等比数列
中,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af42b43415c9e9db872614d37c52c361.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97d8df4dbc0e921aa8f7b62da4c3dfca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af42b43415c9e9db872614d37c52c361.png)
您最近一年使用:0次
2024-02-12更新
|
962次组卷
|
4卷引用:广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题
广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题(已下线)5.3.1 等比数列(5知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)宁夏回族自治区石嘴山市第三中学2024届高三第一次模拟考试数学(文)试题宁夏回族自治区石嘴山市平罗中学2024届高三下学期第三次模拟考试数学(文)试题
6 . 已知函数
,则函数
在
处的瞬时变化率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492ef2820e3b85eac1ae902fb9913b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次
2024-02-12更新
|
814次组卷
|
3卷引用:广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题
名校
7 . 已知抛物线
的焦点为
,准线为
,点
在抛物线
上,过
作
的垂线,垂足为
,若
(
为坐标原点),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82ea1be9b9b6bb12afa7e1ce703d1603.png)
![](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/bfa2c333eb3a718785c053a900c10d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e430de9d088494fae303e65baf93a97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bffd29b2e8192d673308bdf8d5cb6cab.png)
您最近一年使用:0次
2024-02-12更新
|
124次组卷
|
2卷引用:广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题
名校
8 . 已知
为等差数列,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5d2068f5409631bc6c122a847ce6c2.png)
为等比数列,满足
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5d2068f5409631bc6c122a847ce6c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803a17f206ec20e9fc5266aaebe7c21f.png)
A.数列![]() | B.![]() |
C.![]() | D.数列![]() ![]() |
您最近一年使用:0次
2024-02-12更新
|
500次组卷
|
5卷引用:广东省高州市2023-2024学年高二上学期期末教学质量监测数学试题
解题方法
9 . 已知
,非空集合
.
(1)当
时,求
;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb9ba6e64bcdc3c4696b4ea54b3c0d52.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceac03b1f703d7666d91f1fc952cfad.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7bb05dc03c682e052bef3b7bb78c9d.png)
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名校
10 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1e31eaffea4521c26617343357056c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e4c2df3205f72f1ee739891a705a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1336d38741aab2255a35c26612bbd7cc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-31更新
|
181次组卷
|
4卷引用:广东省茂名市高州市第一中学2023-2024学年高一下学期开学考试数学试题