已知曲面[img=118x26]180386ae784d97f.png[/img]上点P处的切平面平行于平面[img=123x22]180386ae80a80df.png[/img]，则点P的坐标为（ ）.
A: [img=55x25]180386ae890f132.png[/img]
B: [img=69x25]180386ae9261477.png[/img]
C: [img=77x25]180386ae9c6a5df.png[/img]
D: [img=83x25]180386aea6037fa.png[/img]
A: [img=55x25]180386ae890f132.png[/img]
B: [img=69x25]180386ae9261477.png[/img]
C: [img=77x25]180386ae9c6a5df.png[/img]
D: [img=83x25]180386aea6037fa.png[/img]
举一反三
- 已知曲面[img=118x26]180302ecbc40aa0.png[/img]上点P处的切平面平行于平面[img=123x22]180302ecc486030.png[/img]，则点P的坐标为（ ）. A: [img=55x25]180302eccd2c0ff.png[/img] B: [img=69x25]180302ecd4f7c7e.png[/img] C: [img=77x25]180302ecdd94f15.png[/img] D: [img=83x25]180302ece670201.png[/img]
- 已知曲面[img=118x26]18038337f3f33bf.png[/img]上点P处的切平面平行于平面[img=123x22]18038337fc62fc0.png[/img]，则点P的坐标为（ ）. A: [img=55x25]1803833804cfb69.png[/img] B: [img=69x25]180383380c985c4.png[/img] C: [img=77x25]180383381530998.png[/img] D: [img=83x25]180383381e6cc85.png[/img]
- 已知曲面[img=118x26]1802cec362d57ad.png[/img]上点P处的切平面平行于平面[img=123x22]1802cec36ce6caa.png[/img]，则点P的坐标为（ ）. A: [img=55x25]1802cec375c0561.png[/img] B: [img=69x25]1802cec37ea707e.png[/img] C: [img=77x25]1802cec3867e4a3.png[/img] D: [img=83x25]1802cec38ed23d6.png[/img]
- 已知曲面 [img=118x26]18031ba0b836db0.png[/img] 上点[img=12x19]18031ba0c0a54f9.png[/img]处的切平面平行于平面 [img=151x22]18031ba0c99ade9.png[/img] 则点 [img=12x19]18031ba0c0a54f9.png[/img]的坐标为[img=30x25]18031ba0db0c055.png[/img] A: [img=69x25]18031ba0e348195.png[/img] B: [img=69x25]18031ba0ebf8197.png[/img] C: [img=55x25]18031ba0f44757e.png[/img] D: [img=83x25]18031ba0fcb957a.png[/img]
- 已知曲面 [img=118x26]18031b9c1481410.png[/img] 上点[img=12x19]18031b9c1dee521.png[/img]处的切平面平行于平面 [img=151x22]18031b9c269e8e5.png[/img] 则点 [img=12x19]18031b9c1dee521.png[/img]的坐标为[img=30x25]18031b9c382c62c.png[/img] A: [img=69x25]18031b9c4082bc2.png[/img] B: [img=69x25]18031b9c48a8c2b.png[/img] C: [img=55x25]18031b9c508399b.png[/img] D: [img=83x25]18031b9c583fe28.png[/img]