已知复数z满足(1+i)z=1+3i(i是虚数单位),则|z|=______
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∵复数z满足(1+i)z=1+
i(i是虚数单位),
∴z=
=
=
,
故|z|=
3 |
∴z=
1+
| ||
1+i |
(1+
| ||
(1+i)(1?i) |
| ||||
2 |
故|z|=
(
|