21. Maximize z = 3x₁ - x₂ + 2x3 + 4x4 subject to x₂ + 7x3 + 2x4 ≥ 3 = 9 x₁ + 2x₂ + x3 2x₁ + 3x₂ + x3-4x4≤7-y x, ≥ 0, j =
Posted: Wed Jul 06, 2022 11:48 am
21. Maximize z = 3x₁ - x₂ + 2x3 + 4x4 subject to x₂ + 7x3 + 2x4 ≥ 3 = 9 x₁ + 2x₂ + x3 2x₁ + 3x₂ + x3-4x4≤7-y x, ≥ 0, j = 1, 2, 3, 4. as basic