10-11高二下·浙江温州·期中
名校
1 . 若等差数列
的首项为
公差为
,前
项的和为
,则数列
为等差数列,且通项为
.类似地,若各项均为正数的等比数列
的首项为
,公比为
,前
项的积为
,则数列
为等比数列,通项为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc4b9e475158c0c9eef9dd015342221c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.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/4dea1dd4ffcb4cf0697ca43079f6a1f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a569964b92c3faaab9ce7d5d9b8c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b715e7842b95f654f16056a7c7f2abe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.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/ec184bb0761e498016fc6c0a01229652.png)
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2 . 如图所示,在复平面内,网格中的每个小正方形的边长都为
,点
、
对应的复数分别是
、
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392c6ffb3395e4a2586ab60dfd604b0d.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/af68f652b4c13657ffddf3c9e7eb262b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa224ed9be8766a4d0b5138bd57de0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392c6ffb3395e4a2586ab60dfd604b0d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/20/0555a98b-e2cc-41b4-b1e1-ed6e366296c6.png?resizew=202)
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3 . 若复数
满足
(
为虚数单位),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5bb60815c4e5a85df0e7707a1faf539.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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2017-05-18更新
|
357次组卷
|
3卷引用:上海市闵行区2021届高三上学期一模数学试题
4 . 若z是关于x的方程
的一个虚数根,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e4bac8a4e3923a8a319a7cae589c4dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f0f1fe56877305f3a5f56e33ab2e25.png)
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5 . 若z∈C,i为虚数单位,且
,则复数z等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5de4553d0c15b033a893d7af01169e21.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfdc64f003b43f74303c8c102ea0622.png)
______ .(
为虚数单位)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdfdc64f003b43f74303c8c102ea0622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
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7 . 在复数范围内,若方程
的一个根为
,则
______________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a1aafbe16078da0b1c60fffc48c380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601d4bf68add4c67826155ca0894105b.png)
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2016-12-04更新
|
337次组卷
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4卷引用:2016届上海市闵行区七宝中学高三下学期适应性考试(三模)(理)数学试题
8 . 已知复数z满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9d6296dad92ff856d03638fe7cef4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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9 . 若复数
是虚数单位),且
为纯虚数,则实数
=_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0ccca26a4d6bef646c4f494147e0b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6da4e6752d8c8a0705194f2b2f16ab5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2017-08-01更新
|
299次组卷
|
3卷引用:上海市闵行区2017届高三4月质量调研考试(二模)数学试题