Задачи по аналитической геометрии. Микенберг М.А. - 50 стр.

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B A(4; 1; 6)
½
x y 4z + 12 = 0 ,
2x + y 2z + 3 = 0 .
B A(2; 5; 7)
P (5; 4; 6) Q(2; 17; 8)
(5; 2; 1) 2x y + 3z + 23 = 0
(0; 1; 2) x 2y + 5z + 3 = 0
(1; 3; 4) 3x+y
2z = 0
(0; 1; 1) x+2y
z + 1 = 0
2x 3y + 3z 17 = 0
(3; 4; 7) (5; 14; 17)
A(2; 3; 1)
1)
x 5
3
=
y
2
=
x + 25
2
; 2)
x = 1 + t,
y = 2 + t,
z = 13 + 4t;
3)
½
2x 2y + z + 3 = 0 ,
3x 2y + 2z + 17 = 0 .
½
2x + 2y z 10 = 0,
x y z 22 = 0
x + 7
3
=
y 5
1
=
z 9
4
x 1
2
=
y + 2
3
=
z 2
2
3x + 2y z 5 = 0
1)
x + 7
3
=
y + 4
4
=
z + 3
2
x 21
6
=
y + 5
4
=
z 2
1
;