In a BIP Problem with 3 Mutually Exclusive Alternatives,x₁,x₂,and X₃,the $\le$

Multiple Choice

In a BIP problem with 3 mutually exclusive alternatives,x₁,x₂,and x₃,the following constraint needs to be added to the formulation:

A) x₁ + x₂ +x₃ $\le$ 1.
B) x₁ + x₂ +x₃ = 1.
C) x₁ - x₂ -x₃ $\le$ 1.
D) x₁ - x₂ -x₃= 1.
E) None of the above.