• 2022-06-19
    设直线对称式方程为[img=155x43]1802cfc47ddaf74.png[/img],该直线的一般方程为( ).
    A: [img=155x51]1802cfc4885ae33.png[/img]
    B: [img=115x51]1802cfc490b1d45.png[/img]
    C: [img=130x51]1802cfc49de8b70.png[/img]
    D: [img=155x51]1802cfc4a8954ac.png[/img]