Question: Let G = (V, E) be a bipartite graph, where V is partitioned as X Y. If deg(x) > 4 for all x

Let G = (V, E) be a bipartite graph, where V is partitioned as X ∪ Y. If deg(x) > 4 for all x ∈ X and deg(y) < 5 for all y ∈ F, prove that if |X| < 10 then 8(G) < 2.

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