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已知2z+|z|=2+6i,求复数z.
题目详情
已知2z+|z|=2+6i,求复数z.
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答案和解析
设z=a+bi,由已知2z+|z|=2+6i,
∴2(a+bi)+
=2+6i,
∴2a+
=2,2b=6,
∴b=3,a=
或a=
,
∴z=
+3i或z=
+3i.
∴2(a+bi)+
a2+b2 |
∴2a+
a2+b2 |
∴b=3,a=
4-
| ||
3 |
4+
| ||
3 |
∴z=
4+
| ||
3 |
4-
| ||
3 |
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