复数Z满足(1+2i).Z=4+3i,那么Z=_.
问题描述:
复数Z满足(1+2i)
=4+3i,那么Z=______. . Z
答
因为(1+2i)
=4+3i,. Z
所以
=. z
=4+3i 1+2i
=2-i(4+3i)(1−2i) (1+2i)(1−2i)
所以z=2+i,
故答案为2+i.