求经过点P(1,2)的直线,且使A(2,3),B(0,-5)到它的距离相等的直线方程.( ) A.4x-y-2=
求经过点P(1,2)的直线,且使A(2,3),B(0,-5)到它的距离相等的直线方程.()A.4x-y-2=0B.x=2C.4x-y-2=0,或x=1D.4x-y-2=0...
求经过点P(1,2)的直线,且使A(2,3),B(0,-5)到它的距离相等的直线方程.( ) A.4x-y-2=0 B.x=2 C.4x-y-2=0,或x=1 D.4x-y-2=0,或x=2
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