1 . 设双曲线
的左焦点为
,右顶点为
.若在双曲线
上,有且只有
个不同的点
使得
成立,则实数
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e59e6307bdd678ce90c143f87f88c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2020高三·全国·专题练习
2 . 设F1,F2是双曲线
-y2=1的左右焦点,点P在双曲线上,当△F1PF2面积为1时,
·
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de95471bb6c16acb4fd84d8315e6a637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c88df0121b7403426080cf3346e4a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322f9de5616aa6f6f4bb61e8670e0039.png)
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解题方法
3 . 已知
是双曲线
右支上一点,
分别是双曲线的左、右焦点,
为坐标原点,点
满足
,若
.则以
为圆心,
为半径的圆的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f18f176b52ed2f77d94fda9686eee36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7948d32bbe668c180c9cd27beb2e120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c5223d092cbe6952d07fb5a258e6f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
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解题方法
4 . 已知双曲线
的左右焦点为
,点
是双曲线上任意一点,若
的最小值是
,则双曲线
的离心率为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ba951ce58ff7fb59c57e2d349fdc4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fddc29037a26719130e6548f25a2500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2020-06-05更新
|
937次组卷
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6卷引用:四川省绵阳市2020届高三高考适应性考试(四诊)文科数学试题
四川省绵阳市2020届高三高考适应性考试(四诊)文科数学试题四川省绵阳市2020届高三年级高考适应性考试(四诊)理科数学试题(已下线)专题2.3 双曲线-2020-2021学年高二数学课时同步练(苏教版选修2-1)四川省泸州市泸县第四中学2022届高三三诊模拟考试理科数学试题四川省泸州市泸县第四中学2022届高三三诊模拟考试文科数学试题(已下线)3.2 双曲线
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解题方法
5 . 已知
,
分别是双曲线
的左、右焦点,过
作x轴的垂线与双曲线交于A,B两点,G是
的重心,且
,则双曲线的离心率为__________ .
![](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/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0120ed4ffba413542254d8bf4ffbb6d.png)
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解题方法
6 . 在直角坐标系
中,双曲线
(
)的离心率
,其渐近线与圆
交
轴上方于
两点,有下列三个结论:
①
;
②
存在最大值;
③
.
则正确结论的序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39e24fa49e9766c6e39e1bf1102c70b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e89b9ed94f40bc0434a38d0ba811cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0f3e15d7b753a178d7b546cbfdf4b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/facf4e19c292cf674467870793e12c67.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b537fa355e09891c0f06f8012a407b9.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef3c35cc4e443e9b42056fe24e516d7.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09090153a0096b7e489ffb28c267dc46.png)
则正确结论的序号为
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2020-05-20更新
|
2048次组卷
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5卷引用:2020届北京市大兴区高三第一次模拟考试数学试题
2020届北京市大兴区高三第一次模拟考试数学试题(已下线)专题12 平面向量-2020年高考数学母题题源解密(北京专版)(已下线)专题9 平面向量数量积的最值问题北京市海淀区中国人民大学附属中学2023届高三上学期期末数学模拟试题北京市顺义区第一中学2023-2024学年高二上学期12月月考数学试题
7 . 已知点
在双曲线
上,点
满足
(
),且
,
,则
的最大值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108181a2d16a51f79da6c91f4a416e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebb762b4b2a70912ffa0c080788dbf38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725d1dca056b0ff3f0e3b16be0366848.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2451e7e45ae6f8155c4e89a69372b83a.png)
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2020-02-29更新
|
583次组卷
|
4卷引用:2020届上海市青浦区高三一模(期末)数学试题
2020届上海市青浦区高三一模(期末)数学试题上海市周浦中学2019-2020学年高二上学期期末数学试题(已下线)考向12 平面向量的概念及线性运算-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)课时26 向量的坐标表示及其运算-2022年高考数学一轮复习小题多维练(上海专用)
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8 . 过点
的双曲线
的左右焦点为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84d316b10430afac5b0c065f31e1b2c.png)
,过
作
轴的垂线与
相交于
两点,
与
轴相交于
.若
,则双曲线
的方程为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86022205a7487439dd8d0897cd3bf19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14503fb4f0ee53847732c298c13db666.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c84d316b10430afac5b0c065f31e1b2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b283e4d7375d770823775e4036c9f6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2020-02-09更新
|
173次组卷
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2卷引用:重庆市沙坪坝区南开中学校2019-2020学年高二上学期期中数学试题
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9 . 已知双曲线
的左,右焦点分别为
,
,过
的直线
分别与两条渐近线交于
、
两点,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2b30352c43707c4e54b94ce5b61f2e6.png)
![](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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/7e9408691f3007f37c5748df07cd87ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f1a9e27cf82c0f321982db8df92fd9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5085e3cdef9ea6c564e079f745d6fdb.png)
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2019-12-27更新
|
761次组卷
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4卷引用:2019年12月广西壮族自治区广西柳州高级中学二模数学(理)试题
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10 . 已知
为双曲线
:
上的点,点
满足
,且
,则当
取得最小值时的点
到双曲线
的渐近线的距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/444ad081fd6ef41571b9af3df05f92ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc0f5d72bbbd15eca9f2b117ad4696a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/517a8041c31709c7ae8f2fb287c961db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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