问题
解答题
已知复数z满足:|z|=1+3i-z,求
|
答案
设z=a+bi,(a,b∈R),而|z|=1+3i-z,
即
-1-3i+a+bi=0a2+b2
则
⇒
+a-1=0a2+b2 b-3=0
,z=-4+3ia=-4 b=3
=(1+i)2(3+4i)2 2z
=2i(-7+24i) 2(-4+3i)
=3+4i24+7i 4-i
已知复数z满足:|z|=1+3i-z,求
|
设z=a+bi,(a,b∈R),而|z|=1+3i-z,
即
-1-3i+a+bi=0a2+b2
则
⇒
+a-1=0a2+b2 b-3=0
,z=-4+3ia=-4 b=3
=(1+i)2(3+4i)2 2z
=2i(-7+24i) 2(-4+3i)
=3+4i24+7i 4-i