名校
解题方法
1 . 设a,b为实数,若复数
,则a+b=________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd3588623783c20d2f45678c27619e9.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d805164b45ebafc298f4450ee3bfaa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd3588623783c20d2f45678c27619e9.png)
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2 .
是虚数单位,复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63aee1540255ede4158a47df1304b55.png)
______ ,它的虚部为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63aee1540255ede4158a47df1304b55.png)
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3 . 已知
为虚数单位,复数
虚部为______ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3d32e7f1118d9c0cd6c1647dac5d8.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcefb77b867071db09e0c0c72d6fc1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e3d32e7f1118d9c0cd6c1647dac5d8.png)
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4 . 设
是虚数单位,复数
,则
的虚部是___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f536f030868329e660ab68a787272ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e0aeeb125cfb42e33094594d4381f5.png)
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名校
5 . 已知复数
,其中
为虚数单位,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07492563b57115fa88a198ae906166b.png)
___________ ,
的共轭复数的虚部为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c553c8264069181ba7b9533d305f66d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b07492563b57115fa88a198ae906166b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c697245f0cf3b116cd00dd36dad17c.png)
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名校
6 . 一元二次方程x2-2x+m=0的一个虚根为
,则另一个虚根为___________ ,实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b23fc4a3ec2ed396d0de8d024daee9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
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名校
解题方法
7 . 复数z=x+yi(x,y∈R)的共轭复数为
,已知
(i为虚数单位),z的虚部为___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fcfebd9f5a57036e6df6b6e14865da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a8d177a16301ab7f92569f98b6c3713.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d67321ace1e6b3be0fc0e5e8130022.png)
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8 . 已知i是虚数单位,设复数
,则z的虚部为___________ ,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b12adcc7cee8cd7214506c6fa9f883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882bff376e1d71865bd23b747ef78a66.png)
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9 . 已知
是虚数单位,若复数
满足
,则
的虚部为________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa63536f51438bae1a5c3d6d2bd2d01.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92959d960ba8510cd15fea54c143a4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa63536f51438bae1a5c3d6d2bd2d01.png)
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10 . 已知复数
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
___________ ,实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2108eeb4be0005ac13dce17e0cdd1772.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
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