Розв’язання:

2x₁ + 4x₂ = 16

x₁ = 0, x₂ = 4

x₁ = 8, x₂ = 0

-4x₁ + 2x₂ = 8

x₁ = 0, x₂ = 4

x₁ = -2, x₂ = 0

x₁ + 3x₂ = 9

x₁ = 0, x₂ = 3

x₁ = 9, x₂ = 0

(d₁c₂ - d₂c₁) = 1 · (-2) - 2 · 3 = -8 < 0

max:

min: