题目内容
直线x-2y+1=0关于直线x=1对称的直线方程是 ( )
A.x+2y-1="0" | B.2x+y-1="0" | C.2x+y-3="0" | D.x+2y-3=0 |
D
略
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题目内容
A.x+2y-1="0" | B.2x+y-1="0" | C.2x+y-3="0" | D.x+2y-3=0 |