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设P是函数在第一象限的图象上任意一点,点P关于原点的对称点为P′,过P作PA平行...
设P是函数
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在第一象限的图象上任意一点,点P关于原点的对称点为P′,过P作PA平行于y轴,过P′作P′A平行于x轴,PA与P′A交于A点,则△PAP′的面积( )
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A.等于2
B.等于4
C.等于8
D.随P点的变化而变化
考点分析:
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