1 . 对于无穷数列
,我们称
(规定
)为无穷数列
的指数型母函数.无穷数列1,1,…,1,…的指数型母函数记为
,它具有性质
.
(1)证明:
;
(2)记
.证明:
(其中i为虚数单位);
(3)以函数
为指数型母函数生成数列
,
.其中
称为伯努利数.证明:
.且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4003dc23cc843e98aa97220e8d3a84d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c9f9424671c7e1620be104f3defa49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80a6580231b1438c017a656f0a0fcc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f59e9a69ab35dc4eb89904ec903f7e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1a5e730877d3a07af9a7fb11e12e3ce.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68dddd478b94b9c21a5575a76b1dd51b.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17cc30d1487ffbb3ae0dc8ad8cbd032f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee4a45607fc2a2e2316896ebd034bd0e.png)
(3)以函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b425361a8411f7d5fafdb625548e10e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed900c88cf1ca707255cd73398f6321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dadf60fd2b3e31a83cb7ce708190b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f5c583c98a1fd516c6ceaa60b55dec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b3e125cdfc173e4ef5a60f6cdc026d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8bb98fa13c7ec31472fca5a33ac80.png)
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2 . 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)
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