Which of the following graphs are isomorphic to each other?
(a) fig 1 and fig 2
(b) fig 2 and fig 3
(c) fig 1 and fig 3
(d) fig 1, fig 2 and fig 3
My question is from Undirected Graph topic in section Graph of Data Structures & Algorithms I
I have been asked this question by my college professor while I was bunking the class.