# Concept derivation guides

299 concept teaching guides, separate from the 36,000 individual question derivations.

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Concept guide



## [A complete coloring and a nonoptimal greedy trace](/en/derivations/derivation-mko-graph-coloring-01/?from=%2Fen%2Fderivations%2F%3Fq%3Dmko-graph-coloring)

Audit a proper coloring edgewise and show an upper bound need not be optimal.

Graph coloring

derivation-mko-graph-coloring-01





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