名校
解题方法
1 . 在平面直角坐标系
中,已知双曲线
的离心率为
,直线
与双曲线C交于
两点,点
在双曲线C上.
(1)求线段
中点的坐标;
(2)若
,过点D作斜率为
的直线
与直线
交于点P,与直线
交于点Q,若点
满足
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db0a1cbf7b0ed76c443b953af8734d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cda5a4c295b2817b357e641564ef186.png)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f0010d2fa7cad70724388250268a412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/232ba5b0b0fc22164db67956c5776e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b7b4084febd6cb00a48327825793969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ebdd81fbc0cc7797bf036b7f3cb6b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9868d97a121e6fb0f8e7c9007dc7e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6009b5e4e6fab6e686645e4e680f0935.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708dcc261cb34949749ec6494abe7bef.png)
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2023-03-24更新
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1082次组卷
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2卷引用:江苏省宿迁市泗阳中学2023届高三下学期3月阶段模拟测试数学试题