中国大学MOOC: 直角坐标系中, 点A(1, 1, 1), B(1,-1, -1)和C(0, 0, 0)确定的平面方程是
举一反三
- 直角坐标系中, 点A(1, 1, 1), B(1,-1, -1)和C(0, 0, 0)确定的平面方程是 A: [img=65x22]180319fbf86247e.png[/img] B: [img=105x22]180319fc0156ad8.png[/img] C: [img=105x22]180319fc0a16098.png[/img] D: [img=96x22]180319fc12d1673.png[/img]
- 一平面过点(1, 1, 1)和(0, 1, -1), 且垂直与平面x + y + z = 0, 求此平面方程________
- 以下HDB3码中,哪些可以确定其中有误码 A: +1 0 0 0 -1 0 +1 -1 +1 0 0 +1 0 -1 +1 -1 0 0 -1 +1…… B: +1 0 0 -1 +1 0 0 0 +1 -1 0 0 -1 0 0 0 +1 0 0 +1 -1…… C: -1 0 0 0 -1 0 +1 0 0 0 +1 -1 +1 0 0 +1 0 0 -1 +1…… D: -1 0 +1 0 0 0 -1 +1 0 0 0 +1 -1 +1 -1 0 0 -1 +1 0 -1……
- 下列平面方程中,过点(1,1,-1)的方程是: A: x+y+z=0 B: x+y+z=1 C: x+y-z=0 D: x-y+z=0
- 下列平面方程中,过点(1,1,-1)的方程是: A: x+y+z=0 B: x+y+z=1 C: x+y-z=0 D: x-y+z=0