问题
填空题
复数z满足(1+2i)
|
答案
∵(1+2i)
=4+3i,. z
∴
=. z
=4+3i 1+2i
=(4+3i)(1-2i) (1+2i)(1-2i)
=2-i,10-5i 5
∴z=2+i,
故答案为:2+i.
复数z满足(1+2i)
|
∵(1+2i)
=4+3i,. z
∴
=. z
=4+3i 1+2i
=(4+3i)(1-2i) (1+2i)(1-2i)
=2-i,10-5i 5
∴z=2+i,
故答案为:2+i.