1 .
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fd8ec6fc551585f093d0a8848aace07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2829c117b291deabd43fdd524d253a26.png)
您最近一年使用:0次
解题方法
2 . 已知复平面上的点
对应的复数
满足
,设点
的运动轨迹为
.点
对应的数是0.
(1)证明
是一个双曲线并求其离心率
;
(2)设
的右焦点为
,其长半轴长为
,点
到直线
的距离为
(点
在
的右支上),证明:
;
(3)设
的两条渐近线分别为
,过
分别作
的平行线
分别交
于点
,则平行四边形
的面积是否是定值?若是,求该定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d9e97f066db90a8b341f8bc1cc3443d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e58bf28d4fde2909e1018e870e70baa9.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5dead5c5455fcbf21c809120dca4787.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a2df68b4bc2f1773ccc4d4590079cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c88d9142df6ba8e43c1a93bd04a1362.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a9a1a2d4399061fc9d8921e22e1771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b892bab45e209077e2ac309bcc6428.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91edc7e2d4811f5ea6c01284cf00393a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3529e7875112e656eed532629c5d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3529e7875112e656eed532629c5d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224150f5b61706dc52b162d76ee5e285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f9f59db2b6f4b68d28271c9727afc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b5a39cff02408146d83d7704aa4d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449b78bc33d57b2972713b6029f39c32.png)
您最近一年使用:0次
解题方法
3 . 设M是由复数组成的集合,对M的一个子集A,若存在复平面上的一个圆,使得A的所有数在复平面上对应的点都在圆内或圆周上,且
中的数对应的点都在圆外,则称A是一个M的“可分离子集”.
(1)判断
是否是
的“可分离子集”,并说明理由;
(2)设复数z满足
,其中
分别表示z的实部和虚部.证明:
是
的“可分离子集”当且仅当
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33a2a51a8d747c5a61f259a3ddf3bd0e.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6f12a019ea4cab2a4143b39043157ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6670f3947ae0329e5d9788b96c50f8.png)
(2)设复数z满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c86a4bfb6dd4bafcbe3c5c1aaead277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aff32d9320e0d72844f155f5c2acedb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739598c5b7f2c8a97353a987b7392536.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f77809bc2f616691dd7417b3d31df5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fae53a4b5ae5f0288d4d1ed6b41a7b11.png)
您最近一年使用:0次
名校
解题方法
4 . (1)设
,在复平面内
对应的点为
,那么求满足条件:
的点
的集合的图形面积;
(2)已知复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd59c594d98fa89b47dc3400028ec04.png)
, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6863f9b63efa155b931a08c5af71a69.png)
,且
,求
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255483db09b1e523a4fcc1f618b98ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c8a0fa1f1d6c3168b96d84c5d58ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
(2)已知复数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd59c594d98fa89b47dc3400028ec04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f8d1a34435611f6a59eac3dbfeb6e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6863f9b63efa155b931a08c5af71a69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd093eb9c030f63a86feaee0cf76f7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a91095e73cc4d985a4875062d953808c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
5 . 设复平面上点
对应的复数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb77d49f9e0b0d2e01c2258f493b3270.png)
(
为虚数单位)满足
,点
的轨迹方程为曲线
. 双曲线
:
与曲线
有共同焦点,倾斜角为
的直线
与双曲线
的两条渐近线的交点是
、
,
,
为坐标原点.
(1)求点
的轨迹方程
;
(2)求直线
的方程;
(3)设△PQR三个顶点在曲线
上,求证:当
是△PQR重心时,△PQR的面积是定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb77d49f9e0b0d2e01c2258f493b3270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93daf2cfc24f09c8474a14c9a5799cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2fd836eee4117616c00dff7a4068d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bde71eaaba1444a7a965721162fa9195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c16325e47c47fa58c4ac3b4c2c17b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8b9ad2fcfff3dd546c5fdbedfe6238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(3)设△PQR三个顶点在曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2018-04-16更新
|
1083次组卷
|
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