-15x+12y=-6
15x+35y=-135
47y= -141
y=-3
-15x +36= -6
-15x=30
x= -2
Решение смотри на фотографии
(AB): (x-√3)/(8-√3) = (y-1)/(-2-1) = (z-0)/(4-0)
(x-√3)/(8-√3) = (y-1)/(-3) = z/4
m1 = 8-√3; n1 = -3; p1 = 4
(CD): (x-0)/(√3-0) = (y-2)/(1-2) = (z-0)/(2√2-0)
x/√3 = (y-2)/(-1) = z/(2√2)
m2 = √3; n2 = -1; p2 = 2√2
Косинус угла между прямыми:
6x - π/3 = π/3 + 2πn, n∈Z или <span>6x - π/3 = 2π/3 + 2πk, k∈Z
6x = </span>2π/3 +2πn, n∈Z 6x = π + 2πk, k∈Z<span>
x = </span>π/9 +πn/3, n∈Z x = π/6 + πk/3, <span>k∈Z
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