过点M(1,2,3)且与向量a=(1,1,1)垂直的平面方程为( )
A: x+y+z-6=0
B: x+2y+3z-6=0
C: [img=133x43]18039f135c6ffdc.png[/img]
D: [img=133x43]18039f13657b477.png[/img]
A: x+y+z-6=0
B: x+2y+3z-6=0
C: [img=133x43]18039f135c6ffdc.png[/img]
D: [img=133x43]18039f13657b477.png[/img]
举一反三
- 调用下面函数,错误的是( )。def f(x, y = 0, z = 0): pass #空语句,定义空函数体 A: f(z = 3, x = 1, y = 2) B: f(1, x = 1, z = 3) C: f(1, y = 2, z = 3) D: f(1, z = 3)
- 执行下面代码,错误的是def f(x, y = 0, z = 0): pass # 空语句,定义空函数体 A: f(1, x = 1, z = 3) B: f(z = 3, x = 1, y = 2) C: f(1, z = 3) D: f(1, y = 2, z = 3)
- 过点(1, -2, -2)且与平面x -2 y + 3z = 2平行的平面方程为 A: x -2 y + z = 6; B: x -2y + 3z = 0; C: x -2y + 3z = 0; D: 2x - y + 3z = 9.
- 填补下图邻接矩阵( )[img=448x230]17de70f872e6a88.jpg[/img]邻接矩阵: V1V2V3V4V5V6V7V10000101V21010000V3000X000V40000Z10V5011Y001V60000100V70000010 A: X=1; Y=1; Z=0 B: X=1; Y=1; Z=1 C: X=1; Y=0; Z=0 D: X=0; Y=1; Z=0
- 过点(2,-3,-4)且与平面3 x + y - z +1=0 垂直的直线方程是( )