|
,
| | , 1(2; 1; -1) n={1; -2; 3}.
|
| | , n={5; 0; -3}.
|
| |
|
| | (2; -1; -1) , . .
|
| | M1(3; -1; 2), M2(4; -2; -1). , 1 .
|
| | , 1(3; 4; -5)
a1={3; 1; -1) a2={1; -2; 1}.
|
| |
, , 0(x0, y0, z0) a1={l1, m1, n1} a2={l2; m2; n2}, :
.
|
| | , M1(2; -1; 3), M2(3; 1; 2) a={3; -1; 4}.
|
| |
, , M1(x1; y1; z1), M2(x2, y2, z2) a={l; m; n}, :
.
|
| | , 1(3; -1; 2), 2(4; -1; -1), 3(2; 0; 2).
|
| |
, , M1(x1; y1; z1), M2(x2, y2, z2), M3(x3; y3; z3), :
.
|
| | - . :
| | 923.1
| ;
| | 923.2
| ;
| | 923.3
| ;
| | 923.4
| ;
| | 923.5
| ;
| | 923.6
| .
|
| | , :
| | 924.1
| , ;
| | 924.2
| , ;
| | 924.3
| , .
|
| | , :
| | 925.1
| , ;
| | 925.2
| , ;
| | 925.3
| , .
|
| | , l m :
| | 926.1
| , ;
| | 926.2
| , ;
| | 926.3
| , .
|
| | , l m :
| | 927.1
| , ;
| | 927.2
| , ;
| | 927.3
| , .
|
| | , :
| | 928.1
| , ;
| | 928.2
| , ;
| | 928.3
| , ;
| | 928.4
| , .
|
| | , .
|
| | , 1(3; -2; -7) .
|
| | , , .
|
| | , 1(2; -1; 1) , .
|
| | , , 0(x0; y0; z0) , , :
.
|
| | , 1(1; -1; -2), M2(3; 1; 1) .
|
| | , , M1(x1; y1; z1), M2(x2, y2, z2) , :
.
|
| | , , , , .
|
| | , , , .
|
| | , , , .
|
| | , a b , , :
| | 939.1
| ;
| | 939.2
| ;
| | 939.3
| .
39. .
" "
| | , :
| | 940.1
| 1(2; -3; 3) ;
| | 940.2
| 2(1; -2; 4) Oxz;
| | 940.3
| 3(-5; 2; -1) Oyz.
|
| | , :
| | 941.1
| 1(4; -1; 2);
| | 941.2
| Oy 2(1; 4; -3);
| | 941.3
| Oz 3(3; -4; 7);
|
| | , :
| | 942.1
| 1(7; 2; -3) 2(5; 6; -4) ;
| | 942.2
| P1(2; -1; 1) P2(3; 1; 2) ;
| | 942.3
| Q1(3; -2; 5) Q2(2; 3; 1) Oz.
|
| | .
|
| | . .
|
| | , .
|
| | , .
|
| | , .
|
| | 1(6; -10; 1) a=-3 c=2. .
|
| | 1(1; 2; -1) M2(-3; 2; 1) b=3. .
|
| | , 1(2; -3; -4) ( ).
|
| | , 1(-1; 4; -1), 2(-13; 2; -10) .
|
| | , 1(4; 3; 2) .
|
| | , Oz c=-5 n={-2; 1; 3}.
|
| | , l={2; 1; -1} a=2, b=-2.
|
| | , a=-2, b=2/3.
|
|
: 2016-10-22; !; : 6526 | :
:
, ==> ... 1988 - | 1901 -
© 2015-2024 lektsii.org - - |