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已知复数z=，则z的实部为 ．
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高三下学期数学《》真题及答案
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已知复数z的虚部为在复平面内复数z对应的向量的模为2求复数z.
已知复数z对应的向量为O.为坐标原点与实轴正向的夹角为120°且复数z的模为2求复数z.
已知复数z1满足z1-21+i=1-ii为虚数单位复数z2的虚部为2z1·z2是实数求z2．
已知复数z=1+i1-2ii为虚数单位则z的实部为.
设复数z满足iz＋1＝－3＋2ii为虚数单位则z的实部是________.
已知复数z满足=a∈R.若z的虚部为﹣3则z的实部为
﹣1
1
3
5
设z1是复数z2=z1-其中表示z1的共轭复数已知z2的实部是-1则z2的虚部为.
已知复数z1＝2＋iz2＝3－i其中i是虚数单位则复数的实部与虚部之和为________.
已知复数则
z的实部为1
z的虚部为﹣1
z的共轭复数为1+i
已知复数z＝5＋2i2i为虚数单位则z的实部为________.
已知0
i是虚数单位复数z满足1+iz=2则z的实部为
已知复数z=5+2i2i为虚数单位则z的实部为.
已知复数z=则
z的虚部为﹣1
z的实部为1
|z|=2
z的共轭复数为1+i
已知i是虚数单位复数z=下列说法正确的是
z的虚部为﹣i
z对应的点在第一象限
z的实部为﹣1
z的共复数为1+i
已知复数z1＝cosα＋isinαz2＝cosβ＋isinβ则复数z1·z2的实部是________
已知复数则
z的实部为1
z的虚部为﹣1
z的共轭复数为1+i
已知复数z满足z﹣1i=1+i那么复数z的实部为
2
﹣2
2i
﹣2i
已知复数z1满足z1－21＋i＝1－ii为虚数单位复数z2的虚部为2且z1·z2是实数则z2＝.
复数z满足z2+i=2i－1则复数z的实部与虚部之和为
1
-1
2
3
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z的实部为1 z的虚部为﹣1 z的共轭复数为1+i
z的实部为1 z的虚部为﹣1 z的共轭复数为1+i
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