试题:
若椭圆C1:
(Ⅰ)若点P与F1,F2的距离之比为
(Ⅱ) 设A1,A2分别为椭圆C1的左、右顶点,Q为C1上异于A1,A2的任意一点,直线A1Q交C1的右准线于点M,直线A2Q交C1的右准线于点N,求证MF2⊥NF2. |
圆锥曲线综合
2016-05-26
答案:
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