What Is the Constraint for Node 2 in the Following

question 83

Multiple Choice

What is the constraint for node 2 in the following maximal flow problem? ​ ​

• A) X₁₂ − X₂₃ − X₂₄ = 0
• B) X₁₂ + X₂₃ + X₂₄ = 0
• C) X₁₂ ≤ 4
• D) X₁₂ + X₁₃ − X₂₃ = 0

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