Question: ( 1 0 points ) If G = ( V , E ) has n 2 vertices and no self - loops, show that there

(10 points)
If G=(V,E) has n2 vertices and no self-loops, show that there exist two vertices vw such that deg(v)=deg(w). Present a counterexample, if G is allowed to have self-loops.
( 1 0 points ) If G = ( V , E ) has n 2 vertices

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