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#f914b5a1-b1e5-4257-a488-dcf1231f9e7d基础解答题抛物线直线与圆+圆锥曲线

22.已知抛物线C:y2=4xC:y^{2}=4x的焦点为FF,其准线与xx轴的交点为KK,过点FF的直线与抛物线CC相交于AABB两点,若AFBF=32\vert AF\vert -\vert BF\vert =\frac{3}{2},则AKBK=\vert {\frac{AK}{BK}}\vert =[ 2 ].