(4)
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LINEAR PROGRAMMING         523
Let us draw the graph of constraints (1) to (4) ABCDE is the feasible region
(shaded) as shown in Fig 12 11 determined by the constraints (1) to (4) Observe that
the feasible region is bounded, coordinates of the corner points A, B, C, D and E are
(5, 0) (6, 0), (4, 4), (0, 6) and (0, 4) respectively