Minimum number of colors required for proper edge coloring of a graph is called?(a) Chromatic color(b) Chromatic index(c) Edge matching(d) Color numberThe question was asked by my college professor while I was bunking the class.Question is taken from Graph Coloring in chapter Graph Coloring of Data Structures & Algorithms II

Minimum number of colors required for proper edge coloring of a graph

1.	Minimum number of colors required for proper edge coloring of a graph is called?(a) Chromatic color(b) Chromatic index(c) Edge matching(d) Color numberThe question was asked by my college professor while I was bunking the class.Question is taken from Graph Coloring in chapter Graph Coloring of Data Structures & Algorithms II
Answer» Correct option is (B) Chromatic index The explanation is: The MINIMUM number of colors REQUIRED for PROPER edge coloring of graph is called chromatic index. It is also KNOWN as edge chromatic number.

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