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In simplex method, we add _____________ variables in the case of ‘=’.

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In simplex method, we add _____________ variables in the case of ‘=’.
  • ASlack Variable
  • BSurplus Variable
  • CArtificial Variable
  • DNone of the above
Correct answer: C

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CCommunity
Artificial Variable

In simplex method, we add artificial variable variables in the case of ‘=’. In order to use the simplex method on problems with mixed constraints, we turn to a device called an artificial variable. This variable has no physical meaning in the original problem and is introduced solely for the purpose of obtaining a basic feasible solution so that we can apply the simplex method.