. , j - .
, , :
.
:
) ;
) ^ ( ), = 0;
) ;
) ;
) , λ- .
.
) = (2, 1, 1) = (2, -5, 1).
= .
) = (m, 3, 4) = (4, m, -7). m ?
: = 4 m + 3 m -28 = 0,
7 m = 28, m = 4.
) , ^ .
: ,
.. ^ ,
) = (1, 2, 3) = (0, 4, -2).
0+8-6=2,
:
,
- Ox, Oy, Oz, :
. .
:
) ;
) , .. , ;
) ;
) , = , = , ;
) , λ ;
) .
.
.
) ,
= (3, 6, -2) = (-2, 3, 6).
) (1, 1, 1), (2, 3, 4), (4, 3, 2).
D.
, ,
) ,
+ 3 3 + ,
p/6.
, . ,
, S =4.
) , = (3, 2, 1)
= (2, 3, 1), | | = 3. .
, .
, , , , , :
(1, -7, 2)=10.
:
) , ();
|
|
)
) , ,
.
) =(5, 7, 2), = (1, -1, 1),
= (2, 2, 1).
= -5 + 14 + 4 + 4 - 10 - 7 = 0, .. .
) (2, 2, 2),
(4, 3, 3), (4, 5, 4), D (5, 5, 6).
,
)
) : 1) 2) 3) 4)
, .. , :
:
, - , (.) 0,01.
, , .. :
,
, , , . ,