复数z满足(1?2i).z=4?3i,则

复数z满足(1?2i).z=4?3i,则z=______.
2025-05-07 21:31:02
推荐回答(1个)
回答1:

(1?2i)

z
=4?3i,
z
4?3i
1?2i
(4?3i)(1+2i)
(1?2i)(1+2i)
4?6i2+8i?3i
5
10+5i
5
=2+i

∴z=2-i.