Question #173576

8. (a) Write the dual of the following LPP: (5)

Minimize 16 1 9 2 21 3 Z = x + x + x

Subject to the constraints

x1 + x2 + x3 = 16

2x1 + x2 + x3 ≥12

x1

, x2 ≥ 0

3

x -unrestricted.


1
Expert's answer
2021-05-07T11:00:02-0400

Max z=7x1+12x2+4x3z=7x_1+12x_2+4x_3

   subject to-

       x1+x2+x3=162x1+x2+x312x1,x2,x30x_1+x_2+x_3=16\\ 2x_1+x_2+x_3\ge 12\\ x_1,x_2,x_3\ge 0

Dual is-

     Objective function- min  10y1+8y210y_1+8y_2


   constraints would be-

   y1+2y172y1y212y1+3y24y1,y20y_1+2y_1\ge 7\\2y_1-y_2\ge 12\\y_1+3y_2\ge 4\\ y_1,y_2\ge 0


This is the dual of the Primal Problem.


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