Question: Consider the following all integer programming problem: minimise 4x2 + 3x2 subject to 2x1 + x2 > 5 X: + 3x2 > 4 X, 21

Consider the following all integer programming

Consider the following all integer programming problem: minimise 4x2 + 3x2 subject to 2x1 + x2 > 5 X: + 3x2 > 4 X, 21 X, X, 20 and integer a. Using the graphical approach, determine the upper/lower bound of this all integer programming problem. [10 marks) b. Solve this problem using a branch-and-bound algorithm. Show your branch- and-bound tree, and state the reason for fathoming each branch. [15 marks)

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