题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011511-76061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50185.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-24433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-24433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-44381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-79480.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-24433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-38955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-31910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-24623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-83346.png)
解析
试题分析:(1)对于复数
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011514-81265.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011514-88283.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011514-14015.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011514-75893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-31423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-28649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-74372.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-50874.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-66869.png)
解:(1)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011514-75893.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-31423.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-38955.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-28649.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-31910.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011512-50552.png)
(2)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-44381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011515-45599.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011516-48582.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011516-70651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011516-68867.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-24623.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011513-83346.png)
核心考点
试题【复数,.(1)为何值时,是纯虚数?取什么值时,在复平面内对应的点位于第四象限?(2)若()的展开式第3项系数为40,求此时的值及对应的复数的值.】;主要考察你对复数的运算等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011450-92889.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011450-61680.png)
A.第一象限 | B.第二象限 |
C.第三象限 | D.第四象限 |
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011324-44486.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011324-44486.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011324-28241.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011153-33510.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011153-48114.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-51257.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-53264.png)
(1)若
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-37642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-18584.png)
(2)若
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-37642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-18584.png)
(3)若在复平面
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011122-75589.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-37642.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011121-18584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011111-81520.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191004/20191004011112-99428.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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