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CMA Intermediate · Operations Management and Strategic Management · Optimum Allocation of Resources - LPP

In a graphical LPP, a redundant constraint is best described as one that

A redundant constraint is one that does not affect the feasible region because the remaining constraints already imply it. It does not cut off any feasible point, so removing it leaves the optimal solution unchanged. It is not the cause of infeasibility or alternative optima.

  1. Amakes the feasible region empty
  2. Bdoes not affect the feasible region because it lies outside or on its boundary without cutting itCorrect
  3. Calways passes through the optimal point and changes the optimum
  4. Dis parallel to the objective function and creates multiple optima

Explanation

A redundant constraint does not alter the feasible region, because the other constraints already enforce it. Removing it leaves the solution unchanged. An empty region indicates infeasibility, and parallelism with the objective relates to alternative optima, not redundancy.

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