Question: Use the Big-M method to solve the following LP problem: minimize z= - 2xy + 2x2 + x3 + x4, subject to X1 + 2x2

Use the Big-M method to solve the following LP

Use the Big-M method to solve the following LP problem: minimize z= - 2xy + 2x2 + x3 + x4, subject to X1 + 2x2 + x3 + x4 52, X1 - X2 + x3 + 2x4 > 3, 2 x1 - x2 + x3 > 2, X1, X2, X3, X4 20

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