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How many unique colors will be required for vertex coloring of the following graph?

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in Data Structures & Algorithms II by (89.2k points)
How many unique colors will be required for vertex coloring of the following graph?

(a) 2

(b) 3

(c) 4

(d) 5

The question was posed to me by my college director while I was bunking the class.

The origin of the question is Graph Coloring in chapter Graph Coloring of Data Structures & Algorithms II

1 Answer

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Best answer
Correct choice is (c) 4

Explanation: The given graph will require 4 unique colors so that no two vertices connected by a common edge will have the same color. So its chromatic number will be 4.

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