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[几何] 一道解析几何的求范围问题

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facebooker Posted 2022-5-30 23:39 |Read mode

已知$F$为抛物线$y^2=16x$的焦点，直线$l:y=kx+m (m>0)$与抛物线交于点$P,Q$两点，若存在正实数$k$,使得以$PQ$为直径的圆经过点$F$,求$m$ 的取值范围。

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山川浮云 Posted 2022-6-8 21:51

(0,8)

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