双曲线
的两个焦点分别是
与
,焦距为8;M是双曲线上的一点,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9065d32bfb66ccd301ad72f61021e4.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/e27ad0481b4eba360acafcc03919d4a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2675e721a547386255bae4dfdca9ff2.png)
更新时间:2021-02-06 22:46:01
|
相似题推荐
解答题-问答题
|
较易
(0.85)
【推荐1】过双曲线
的右焦点作x轴的垂线,求垂线与双曲线的交点到两焦点的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a57969257b42278469289d3034537f99.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
【推荐2】已知双曲线
的焦点为
,
,点P在双曲线上,若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c615fab3bffb9f6eeb9bf4591a458b0a.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/5357841daf522e6adcb7e0f9fccedef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96fa27f8db6167d4802a510371077bb5.png)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
名校
解题方法
【推荐1】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)
您最近一年使用:0次
解答题-问答题
|
较易
(0.85)
解题方法
【推荐2】根据以下条件,分别求出双曲线的标准方程:
(1)两顶点间的距离是6,两焦点的连线被两顶点和中心四等分;
(2)过点
,离心率
;
(3)
,
是双曲线的左、右焦点,P是双曲线上一点,且
,
,且离心率为2.
(1)两顶点间的距离是6,两焦点的连线被两顶点和中心四等分;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895c793209a22a25b8b123bcd08a808d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1c567b22c69c1c96a5bb71181b7170.png)
(3)
![](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/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63238234b94a05605135a5aafc5cca67.png)
您最近一年使用:0次