# Proof of Dual

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Hello,

Could you please help me to prove this using Farkas Lemma?

Well, I initially thought that I can use Farkas Lemma, but if it is impossible to use the lemma (though I do belive it will help), you might try other way.

Thank you!

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(See attached file for full problem description)

https://brainmass.com/math/optimization/proof-dual-using-farkas-lemma-48994

#### Solution Preview

Please see the attached file.

Suppose that , are such that , and

, are such that

Prove that there exists such that

Proof: Since , where , , ...

#### Solution Summary

This shows how to complete the proof of a Dual problem.

$2.49