1 . 已知关于
的实系数一元二次方程
有两个根
、
,且
,则满足条件的实数
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/474e9490d2bb0f3f672eb3c116ec6b8e.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/05c8c296108fe7875d7c0a072d6d9446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-06-28更新
|
383次组卷
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3卷引用:浙江省嘉兴市第一中学2023-2024学年高一上学期10月月考数学试题
名校
2 . 已知
是方程
的虚数根,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8646eaa05bfde39d27813c301a076420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ad43e1fd0d56e7ba05c18cf1c7e13e.png)
A.0 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
3 . (Ⅰ)在复数范围内解方程:
;
(Ⅱ)如图,在矩形
中,
,
,
为
中点,点
在边
上,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd505c43f4791914cc43b917f88c33fe.png)
(Ⅱ)如图,在矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ea52361458ce2e49ed0fe99d8e6c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8028e690e1360d7a019d84f68f70a3e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc83830872223a61373cde204660f093.png)
![](https://img.xkw.com/dksih/QBM/2021/6/27/2751980827983872/2781103934283776/STEM/6cc561e7-a3aa-4181-af95-daa440a1e42b.png?resizew=230)
您最近一年使用:0次
2021-08-07更新
|
402次组卷
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3卷引用:浙江省金华市东阳中学2022-2023学年高二上学期7月月考数学试题
浙江省金华市东阳中学2022-2023学年高二上学期7月月考数学试题浙江省宁波市2020-2021学年高一下学期期末数学试题(已下线)微专题01 共线问题与数量积求解策略(2)-【微专题】2022-2023学年高一数学常考点微专题提分精练(人教A版2019必修第二册)