若复数z=(4-3i)2(-1+3i)8(1-i)12,则|z|=______.-数学

题目简介

若复数z=(4-3i)2(-1+3i)8(1-i)12,则|z|=______.-数学

题目详情

若复数z=
(4-3i)2(-1+
3
i)
8
(1-i)12
,则|z|=______.
题型:填空题难度:中档来源:不详

答案

复数z=
(4-3i)2(-1+
3
i)
8
(1-i)12

则|z|=
|(4-3i)2||(-1+
3
i)
8
|
|(1-i)12|
=
(|4-3i|)2(|-1+
3
i|)
8
(|1-i|)12

=
(
42+(-3)2
)
2
× (
(-1)2+(
3
)
2
)
8
(
12+(-1)2
)
12

=
25×28
26
=100.
故答案为:100.

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