复数的计算题,若复数Z满足(1+2i)z=4+3i,求Z3Q
5个回答
Z=(4+3i)/(1+2i)
=(4+3i)(1-2i)/(1+2i)(1-2i)
=(4-8i+3i+6)/(1+4)
=(10-5i)/5
=2-i
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