虚数(x-2)+yi中x,y均为实数，当此虚数的模为1时，yx的取值范围是（）_刷题宝

题干

虚数(x-2)+yi中x,y均为实数，当此虚数的模为1时，

y

x

的取值范围是（）

A： $- \frac{\sqrt{3}}{3}, \frac{\sqrt{3}}{3}$

B： $- \frac{\sqrt{3}}{3}, 0) \cup (0, \frac{\sqrt{3}}{3}$

C：［- $\sqrt{3}$ , $\sqrt{3}$ ］

D：- $\sqrt{3}$ ,0）∪（0, $\sqrt{3}$

上一题下一题 0.0难度选择题更新时间:2017-01-17 06:04:04

答案(点此获取答案解析）

B

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