A two-variable problem with an inequality constraint may, in some instances, be solvable by ignoring the constraint because it may not be binding.

Question

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In optimization problems, if the solution to a two-variable problem without considering the inequality constraint falls within the feasible region defined by that constraint, the constraint is non-binding, and the solution is valid as it satisfies all problem conditions including the ignored constraint.

A Two-Variable Problem with an Inequality Constraint May, in Some