已知复数
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,
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是
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的共轭复数,则
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等于
A.16 | B.4 | C.1 | D. |
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科目:高中数学
来源:不详
题型:单选题
若复数
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(
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为虚数单位)是纯虚数,则实数
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复数

(

为虚数单位)等于( )
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设复数


,
(Ⅰ)若
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是实数,求
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
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
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科目:高中数学
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已知
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,

为虚数单位,且

,则

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