Write down the dual problem for the following:
Minimise Z = X1 + X2 + X3+ X4
2X1 + X2 + X4 = 20
X2 + 4X3 + 3X4 <= 50
X1>= 0, X2 >= 0, X3<= 0, X4 Unrestricted
Last edited by DooBeeDoo; Dec 10th 2007 at 12:11 PM.
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