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For combinatorics class - please help! (a) Prove the following proposition: Proposition 1. Let max { cx : Ax = b, x 2 0 }

For combinatorics class - please help!

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(a) Prove the following proposition: Proposition 1. Let max { cx : Ax = b, x 2 0 } be an LP in SEF. If there exists a vector y such that yTA > OT and yb 0, then the LP is unbounded

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