题目内容
复数(1+
)6等于( )
| 1 |
| i |
| A.8 | B.-8 | C.8i | D.-8i |
方法1:(1+
)6=(1+
)6=(1-i)6=[(1-i)2]3=(-2i)3=8i.
方法2:(1+
)6=(
)6=
=
=8i
故选C.
| 1 |
| i |
| i |
| i2 |
方法2:(1+
| 1 |
| i |
| 1+i |
| i |
| (1+i)6 |
| i6 |
| [(1+i)2]3 |
| i2 |
故选C.
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