设直线过点[img=55x25]18036ee43397f5d.png[/img]且方向向量取为[img=69x25]18036ee43c6b34f.png[/img]，则该直线的方程为（ ）．
A: [img=151x43]18036ee444f31f1.png[/img]
B: [img=151x43]18036ee44d8392f.png[/img]
C: [img=151x43]18036ee455992b2.png[/img]
D: [img=151x43]18036ee45de4f74.png[/img]
A: [img=151x43]18036ee444f31f1.png[/img]
B: [img=151x43]18036ee44d8392f.png[/img]
C: [img=151x43]18036ee455992b2.png[/img]
D: [img=151x43]18036ee45de4f74.png[/img]
举一反三
- 设直线过点[img=55x25]1802cfc44b75c14.png[/img]且方向向量取为[img=69x25]1802cfc4538b827.png[/img]，则该直线的方程为（ ）． A: [img=151x43]1802cfc45c34147.png[/img] B: [img=151x43]1802cfc4640aecd.png[/img] C: [img=151x43]1802cfc46c51db4.png[/img] D: [img=151x43]1802cfc4754e22b.png[/img]
- 设直线过点[img=55x25]1803653600805e9.png[/img]且方向向量取为[img=69x25]18036536090adee.png[/img]，则该直线的方程为（ ）． A: [img=151x43]1803653611b8141.png[/img] B: [img=151x43]180365361989733.png[/img] C: [img=151x43]180365362276879.png[/img] D: [img=151x43]180365362a2ea95.png[/img]
- 设直线过点[img=55x25]18039c9485f08f7.png[/img]且方向向量取为[img=69x25]18039c948ddabaf.png[/img]，则该直线的方程为（ ）． A: [img=151x43]18039c949664631.png[/img] B: [img=151x43]18039c949ee8dc7.png[/img] C: [img=151x43]18039c94a846185.png[/img] D: [img=151x43]18039c94b1874e7.png[/img]
- 设直线过点[img=55x25]17da62fb2e03945.png[/img]且方向向量取为[img=69x25]17da62fb4929dea.png[/img],则该直线的方程为( ). 未知类型：{'options': ['', ' [img=151x43]17da62fb851577e.png[/img]', ' [img=151x43]17da62fbac3cdbc.png[/img]', ' [img=151x43]17da62fbc693987.png[/img]'], 'type': 102}
- 设X的密度函数为f(x)，分布函数为F(x)，且f(x)是偶函数，则有 A: [img=235x53]1803b3ba8e4e24a.png[/img] B: [img=248x66]1803b3ba9822ce1.png[/img] C: F(−x)= F(x) D: F(−x)=2F(x)−1