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以知椭圆的两个焦点分别为F1(-c,0)和F2(c,0)(c>0),过点的直线与椭圆相交与...
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以知椭圆
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIEAAAAxCAYAAAD9asolAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
的两个焦点分别为F
1(-c,0)和F
2(c,0)(c>0),过点
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAADoAAAAqCAYAAADibUizAAAAAXNSR0IArs4c6QAAAARnQU1BAACx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)
的直线与椭圆相交与A,B两点,且F
1A∥F
2B,|F
1A|=2|F
2B|.
(1)求椭圆的离心率;
(2)求直线AB的斜率;
(3)设点C与点A关于坐标原点对称,直线F
2B上有一点H(m,n)(m≠0)在△AF
1C的外接圆上,求
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAjCAYAAACkejs5AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAgY0hSTQAAeiYAAICEAAD6AAAAgOgAAHUwAADqYAAAOpgAABdwnLpRPAAAAPNJREFU
SEvVVMENxCAMy62cdbJJ5mCKLpHDCRQqaE/0cwKpUmllJ4bYH8uL3iwA3yx6A/IutwMmEyKcrklC
84cp9/tRUKcRYLHkIDY9MlzZGC+T1YCHGrOaSoBq1ejgoSLYW6vABdG83nkdoalnf2qz3ePAXnUm
0yeNAzuI/JRxWD80rk7QTiOHu1t99rTV6i3+Jzouc1mdX2Y0ydVqnaIYOYCzp5KbuCQBQP6Nping
QHeHiCmsAACLiW9Gn9aiDgQrFbdHEpT4cBlza2VgDakxZ5zkJnTIW6s/LxVqm1nnxM2ENk/SnsQ7
uU+BnYy8Pt6B+AISJ9c82+DpigAAAABJRU5ErkJggg==
)
的值.
相关试题
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以知椭圆
的两个焦点分别为F1(-c,0)和F2(c,0)(c>0),过点
的直线与椭圆相交与A,B两点,且F1A∥F2B,|F1A|=2|F2B|.
(1)求椭圆的离心率;
(2)求直线AB的斜率;
(3)设点C与点A关于坐标原点对称,直线F2B上有一点H(m,n)(m≠0)在△AF1C的外接圆上,求
的值.
-
以知椭圆
的两个焦点分别为F1(-c,0)和F2(c,0)(c>0),过点
的直线与椭圆相交与A,B两点,且F1A∥F2B,|F1A|=2|F2B|.
(1)求椭圆的离心率;
(2)求直线AB的斜率;
(3)设点C与点A关于坐标原点对称,直线F2B上有一点H(m,n)(m≠0)在△AF1C的外接圆上,求
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(1)求椭圆的离心率;
(2)求直线AB的斜率;
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(1)求椭圆的离心率;
(2)求直线AB的斜率;
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(1)求椭圆的离心率;
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(1)求椭圆的离心率;
(2)求直线AB的斜率;
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