已知直线l:
(t为参数)恒经过椭圆C:
(
为参数)的右焦点F.
(1)求m的值;
(2)设直线l与椭圆C交于A,B两点,求|FA|·|FB|的最大值与最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb15f1ae577f64ce432f4421be368c76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57355eb39b0210d7f79ba60831f0d367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27ed74dbeba7d418a559f9c97c1df414.png)
(1)求m的值;
(2)设直线l与椭圆C交于A,B两点,求|FA|·|FB|的最大值与最小值.
更新时间:2021-12-16 22:47:47
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【推荐1】在平面直角坐标系
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(2)设
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解题方法
【推荐2】已知在平面直角坐标系xOy中,曲线C的参数方程为
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【推荐3】在直角坐标系
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【推荐1】在直角坐标系
中,曲线
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【推荐2】已知直线
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【推荐1】在直角坐标系xOy中,已知直线
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适中
(0.65)
【推荐2】在平面直角坐标系
中,直线l过点
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,若直线l与圆C相交于A,B两点,求
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