分别写出“复数z对应的点在实轴上”与“复数z对应的点在虚轴上”的一个充要条件.
20-21高二·全国·课后作业 查看更多[2]
更新时间:2021-11-02 12:39:23
|
相似题推荐
解答题-问答题
|
较易
(0.85)
名校
【推荐1】“关于
的方程
有实数根”是“
”的什么条件?请证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ffb694021b52653de5141ae27ba6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ae52268373f4f21ab35d4057940a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ede4a168f04d9234abecee50ee83340b.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】指出下列各题中,
是
的什么条件:
(1)
数
能被6整除,
数
能被3整除;
(2)
,
;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
有两个角相等,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
是正三角形;
(4)
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3567dcfdb7139dde2ec0ef0670136132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457185351773eeb5d216b3e8726acbbe.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cc93a719bed81790e2d440aa40503a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6adbcb574dccb9d347938124d62cba1c.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】求实数
的值或取值范围,使得复数
在复平面上所对应的点
分别位于:
(1)虚轴上;
(2)第四象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9b9bb37ee8294c5d3a76d116f4ceb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
(1)虚轴上;
(2)第四象限.
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知复数
在复平面上对应的点为Z,
(1)求点Z在实轴上时,实数m的取值;
(2)求点Z在虚轴上时,实数m的取值;
(3)求点Z在第一象限时,实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cc47ad3e4b9e6f702f35295c32cb78e.png)
(1)求点Z在实轴上时,实数m的取值;
(2)求点Z在虚轴上时,实数m的取值;
(3)求点Z在第一象限时,实数m的取值范围.
您最近一年使用:0次