問題詳情
L、拋物線Γ : y2=4x的頂點O，焦點F ， P為拋物線上的一動點，求
的最大值為
的最大值為
參考答案
答案：A
難度：簡單0.886914
統計：A(1098),B(104),C(11),D(25),E(0)
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