已知双曲线
的两条渐近线分别为
与
,
与
为
上关于原点对称的两点,
为
上一点且
,则双曲线离心率
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c5c2e64358e0ec7aa142c336d970306.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee059f793faf96a6d8ed256f3eb2ef51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-10-01 13:35:29
|
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名校
解题方法
【推荐2】以双曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22ec40b69cbc0263f5aa4ce12606692.png)
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【推荐1】已知
,
分别为双曲线
的左,右焦点,点A为双曲线C的右顶点,且直线
与双曲线C的左、右两支分别交于P,Q两点,若
,则双曲线C的离心率的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2cfa22139b3e9c9a73500e1ba19f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f885c1453164df1ad23772c61022d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0697b897302291e3b630a12bcaf4a711.png)
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解题方法
【推荐2】已知双曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c59f8afa4c99e0fc6210cf98646f0ab2.png)
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