Explain the use of the performance ratio

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Approximations are algorithms that give a workable solution for optimization versions of NP-complete problems. They provide some guarantee of how "close" they are to the optimal solution.

Briefly explain in laments terms the following? im not fulling understanding

Question 1. What's purpose of approximation algorithms.

Question 2. Explain the use of the performance ratio: p(n)

Question 3. Explain the following 2-approximation algorithms:

Approximate Vertex Cover
Approximate TSP

Reference no: EM133259483

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