已知z=log2(1+m)+i
(m∈R),若z是虚数,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a674f71e2985f2ed4b2c56028c89aaca.png)
2022高三·全国·专题练习 查看更多[1]
(已下线)专题07 复数-备战2022年高考数学一轮复习核心知识全覆盖(新高考地区专用)
更新时间:2021-10-08 19:52:32
|
相似题推荐
解答题-问答题
|
较易
(0.85)
解题方法
【推荐1】设函数
的定义域为
,函数
的定义域为
.
(1)求
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b99709744a2b95eada8384bd8b754e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bcc5620cde6de2e7313169896afdc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐2】已知函数
,
(
且
),设
.
(1)求函数
的定义域;
(2)判断
的奇偶性,并加以证明;
(3)当
时,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f5259857d6b712c5a2b93c1020ec14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60cb4aa475f6335ca98c30da2888e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
【推荐1】求实数m的值或取值范围,使得复数
分别满足:
(1)z是实数;
(2)z是纯虚数;
(3)z在复平面中对应的点位于第三象限.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e66c9ef047cf38c978b14a77962ca7.png)
(1)z是实数;
(2)z是纯虚数;
(3)z在复平面中对应的点位于第三象限.
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2】已知复数
是虚数单位),且
为纯虚数.
(1)求复数z;
(2)若
求复数
的模
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4c259fa2e6642441a8754889fb8626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a60bd757c9dc02108f2190f864f8c6.png)
(1)求复数z;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ef9915efb293007392fe19e4833a873.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4f492569b61473f15810439d4b5b33.png)
您最近一年使用:0次