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抛物线y2=6x的焦点为F,其上任意一点A(x,y),点P(2,2),则|AF|...
抛物线y2=6x的焦点为F,其上任意一点A(x,y),点P(2,2),则|AF|+|AP|的最小值为 .
考点分析:
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A.直线l上的所有点都是“
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点”
B.直线l上仅有有限个点是“
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C.直线l上的所有点都不是“
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点”
D.直线l上有无穷多个点(点不是所有的点)是“
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点”
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