ответ: 900 единиц продукции 1-го типа, 150 единиц - 2-го типа и 600 единиц - 3-го типа.
Объяснение:
Пусть ежедневно выпускается x единиц продукции 1 типа, y единиц продукции 2 типа и z единиц продукции 3 типа. Отсюда следует система уравнений:
x+6*y+2*z=3000
3*x+2*y+z=3600
4*x+y+5*z=6750 ,
которую будем решать методом Крамера.
1. Составляем и вычисляем определитель системы:
Δ = 1 6 2 = - 67.
3 2 1
4 1 5
Так как Δ≠0, то система имеет единственное решение.
2. Составляем и находим определители Δ1, Δ2, Δ3:
Δ1 = 3000 6 2 = - 60300, Δ2 = 1 3000 2 = - 10050,
3600 2 1 3 3600 1
6750 1 5 4 6750 5
Δ3 = 1 6 3000 = - 40200
3 2 3600
4 1 6750
3. Отсюда x=Δ1/Δ=900, y=Δ2/Δ=150, z=Δ3/Δ=600.
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