What is the condition for proper edge coloring of a graph?(a) Two vertices having a common edge should not have same color(b) Two vertices having a common edge should always have same color(c) No two incident edges should have the same color(d) No two incident edges should have different colorI have been asked this question during an internship interview.I want to ask this question from Graph Coloring topic in chapter Graph Coloring of Data Structures & Algorithms II

What is the condition for proper edge coloring of a graph?(a) Two vert

1.	What is the condition for proper edge coloring of a graph?(a) Two vertices having a common edge should not have same color(b) Two vertices having a common edge should always have same color(c) No two incident edges should have the same color(d) No two incident edges should have different colorI have been asked this question during an internship interview.I want to ask this question from Graph Coloring topic in chapter Graph Coloring of Data Structures & Algorithms II
Answer» Correct answer is (c) No two INCIDENT edges should have the same color Easy explanation - The CONDITION for proper EDGE coloring of GRAPH is that no two incident edges should have the same color. If it uses k colors in the PROCESS then it is called k edge coloring of graph.

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