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Recent questions tagged non-planar

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UGC NET CSE | December 2013 | Part 2 | Question: 39
A graph is non-planar if and only if it contains a subgraph homomorphic to $K_{3,2} \text{ or } K_5$ $K_{3,3} \text{ or } K_6$ $K_{3,3} \text{ or } K_5$ $K_{2,3} \text{ or } K_5$
A graph is non-planar if and only if it contains a subgraph homomorphic to$K_{3,2} \text{ or } K_5$$K_{3,3} \text{ or } K_6$$K_{3,3} \text{ or } K_5$$K_{2,3} \text{ or } ...
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