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can we check isomorphism of graph in this way .??delete the maximun degree vertex in first graph and second graph again apply this argument to the resulting graph.??conti...
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The roots are $x=1, x=2$, and $x=3.$So, polynomial is $f(x) = (x-1)(x-2)(x-3)$$f(0) = -6, f(4) = 6$So, $f(0)f(4) < 0$.Correct Answer: $A$
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