名校
1 . 在正项等比数列
中,已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a4301f6c329e4774ffa7a8f0fbfc80d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494d81219e204327b1df6cbc9891df59.png)
A.2 | B.4 | C.6 | D.8 |
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2024-05-08更新
|
587次组卷
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2卷引用:江西省宜丰中学2023-2024学年高二下学期4月期中考试数学试题
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2 . 在复平面内,复数
对应的点的坐标是
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832e73e2428adcb6a6440c7f892f7da9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bccea5ccea8810d2d3be1178814741ee.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-07更新
|
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3卷引用:江西省宜春市宜丰中学2023-2024学年高二下学期6月月考数学试题
江西省宜春市宜丰中学2023-2024学年高二下学期6月月考数学试题北京市西城区2024届高三下学期5月模拟测试数学试卷(已下线)第五章 复数(单元测试,新题型)-同步精品课堂(北师大版2019必修第二册)
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解题方法
3 . 数列
的前n项和为
,
,则
的值为( )
![](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/1084de3c9c63eab44ed0a85a1a8d83c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27182444d3da4003680f07ec299087c.png)
A.20 | B.25 | C.30 | D.35 |
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4 . 记集合
中元素的个数为
,数列
的前n项和为
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3633cc3419d17d713e61f95c350d86c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](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/d27182444d3da4003680f07ec299087c.png)
A.15 | B.20 | C.47 | D.52 |
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解题方法
5 . 记事件A为“抛一枚硬币正面向上”,事件B为“掷一颗骰子点数为6”,则条件概率
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5b9ea5797fd1855fbd02e80cbc2311.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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6 . 已知等比数列
的前n项和为
,若
,则公比q为( )
![](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/48386e712c13015795b5be174ec6187f.png)
A.2 | B.3 | C.![]() | D.![]() |
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7 . 等差数列
中,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69e663946659fd4ae1e578ca9ca04f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7da2f386b78cdf6489efaa2f5820d3e.png)
A.5 | B.10 | C.14 | D.35 |
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8 . 已知数列
满足
,数列
满足
,若
是数列
中的项,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e4b5779873cb3f4366dbfdb983dec81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cced01a678bc77b39dbcb23bd3e3e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233427826eb2233641fc3a9805f6d206.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.4 | B.5 | C.6 | D.7 |
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2024-05-06更新
|
115次组卷
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2卷引用:江西省抚州市金溪县第一中学等校2023-2024学年高二下学期期中考试数学试卷
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9 . 已知函数
,
满足
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d8919e279360b57e6fc3be5456d734e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fa0b7433798537cf4fa3a291bb5584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16879e335476d687397d61f650dac96c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-06更新
|
148次组卷
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2卷引用:江西省抚州市金溪县第一中学等校2023-2024学年高二下学期期中考试数学试卷