Задачи по аналитической геометрии. Микенберг М.А. - 69 стр.

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(10; 2)
9x ± 4
34y = 0
3x 4y 5 = 0
(18; 12) (18; 12)
(2; 6) (0, 5; 3)
¡
5
4
;
15
¢ ¡
5
4
;
15
¢
2x y 3 = 0
y = 3 12x + 7y + 51 = 0
2x y ±12 = 0
12x 13y ±169 = 0
(5; 4)
±3x ± 4y + 15 = 0
x + y ±3 = 0 x y ± 3 = 0
x + y = 1
3x + 2y = 6 3x 2y = 6
x + y ±3 = 0
8x ±
11y 20 = 0
x + y + 2 = 0 2x + 5y + 25 = 0
(9; 6)
3x + y + 1 = 0
x ± 3y + 15 = 0
sin(ϕ) =
5
17
21
14
5
(7; 5; 1)
7
3
11
(0; 8; 0) (0; 7; 0)
(7; 14; 7) (10; 13; 19)
(6; 8; 6)
x + 4y + 7z + 16 = 0
9x y + 7z 40 = 0
3x + 3y + z 8 = 0
l = 3 m = 4 l = 3 m =
2
3
l = 3
1
3
m = 1
1
5
2
x
3
z
27 = 0