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初中数学第三问
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(3)对称轴x = 2, A(0, -4), E(3, -1)
令P(2, p)
(i) PA = PE
得p = -3,P(2, -3)
(ii) AP = AE
p = -4±√14, P(2, -4±√14)
(iii) AE = PE
p = -1±√17, P(2, -1±√17)
令P(2, p)
(i) PA = PE
得p = -3,P(2, -3)
(ii) AP = AE
p = -4±√14, P(2, -4±√14)
(iii) AE = PE
p = -1±√17, P(2, -1±√17)
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