已知
是双曲线
的两个焦点,点M在双曲线上,如果
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eb0b2a40b250c7cf24312e95658d47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b42fc33bcfc63ec2f4940ccd3f862400.png)
21-22高二·全国·课后作业 查看更多[2]
更新时间:2022-02-28 17:09:16
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【推荐1】已知
,
是双曲线
的两个焦点,过
的直线交双曲线右支于A,B两点,且
,求
的周长.
![](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/e9a0bd4bd9985f1e367c100b453ed03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e27ca8752789a82ffcdb3b1c18cfd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29bf0cf2f9b056030f17dfba06f62b1f.png)
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【推荐2】已知双曲线C的焦点坐标为
,
,实轴长为6.
(1)求双曲线C标准方程;
(2)若双曲线C上存在一点P使得
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8831ba0d0b5d435819e13474ad784264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b539b84d342c1cf6a39763d4cc251050.png)
(1)求双曲线C标准方程;
(2)若双曲线C上存在一点P使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
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【推荐1】已知双曲线
.
(1)若双曲线
的一条渐近线方程为
,求双曲线
的标准方程;
(2)设双曲线
的左、右焦点分别为
,点
在双曲线
上,若
,且
的面积为9,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eba4146208a9b519ee2cf649e733c4.png)
(1)若双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](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/c2427943a38dcd93c9ec9b735ffc9fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25b62c9f15455dfe0d386e1f7b025986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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【推荐2】已知双曲线C:
的离心率为
,右焦点为F,点P在C的一条渐近线上,O为坐标原点.
(1)求双曲线C的标准方程;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0b51ec8a87ca91d5859f34b8b2ce12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/839c7616cd0d90265f4b2c9c021254fe.png)
(1)求双曲线C的标准方程;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/188283d605e3fec35fb39483bd4f31c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82010b61502fa67de56d9c15ffa2abbf.png)
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