. , M 0, M 1 M 2 , . , () , 0 , 0 1 0 2, L. ( , , . (3.15)))
0 × 0 1∙ 0 2 = 0, (2.3)
, ,
=0. (2.4)
, (. 2.3)
L , M 0(x 0, y 0, z 0), , N. , , .
N = { A, , }.
. 2.3.
. () M (x, y, z) 0 L, N 0 , . .
N × 0 =0 Þ A (x x 0) + B (y y 0) + C (z z 0) = 0. (2.5)
, (. 2.4).
. 4.4. .
Ax + By + Cz + D = 0. (2.6)
, , . D = 0,
Ax + By + Cz = 0
, .
.
(2.7)
, , () S = { m, n, p }, , 0. 0 S ,
. (2.8)
( ) (.2.5).
. 2.5. .
, 0 1 S = 0 1 = , .. . (2.8), ,
|
|
(2.9)
(2.8) t, ,
. 1(1,-2,-3), 2(-3,1,1), 3(4,3,-1), 4(3,2,2).
: 1. ,
2. , 4 .
.
1. , , :
.
1, 2, 3,
=
,
,
.
2. (5.8), 4 S. S N , .. N = {14, -20, 29}.
: .
. ,
,
( )
, ,
,
,
.