• 2022-06-15
    椭圆抛物面[img=97x26]1803d6a06834d52.png[/img]与抛物柱面[img=50x26]1803d6a070e11fa.png[/img]的交线在[img=55x25]1803d6a079d62b0.png[/img]处的法平面方程是( ).
    A: [img=172x22]1803d6a082b0591.png[/img]
    B: [img=148x22]1803d6a08c49687.png[/img]
    C: [img=147x22]1803d6a0947b54c.png[/img]
    D: [img=155x22]1803d6a09cfc1fb.png[/img]
  • 举一反三