题目内容
复数(3+i)m-(2+i)对应的点在第三象限内,则实数m的取值范围是 ( )
A、m< B、m<1 C、<m<1 D、m>1
A
考查了复数的几何意义
(1)若z为实数,则m=_________________;
(2)若z为纯虚数,则m=_________________.
(1)若z为实数,则m=___________;
(2)若z为纯虚数,则m=___________.
(1)为实数;
(2)为纯虚数?