Which matrix represents the number of walks of length 2 and how many walks of length 2 are in the graph G? b d a e G No answer provided [3 3 2 1 3] 2 4 3 2 3 2 33 2 a. L3 3 3 2 34, number of walks of length 2 is 61. 3 1 [3 2 1 31 2 2 1 2 3 b. L3 3 3 2 1 31, number of walks of length 2 is 57. 2 2 1 21 [3 2 4 1 2 2 3 c. L3 2 2 1 3 2 1 31, number of walks of length 2 is 56. 2 [3 2 37 4 2 1 2 1 2 34, number of walks of length 2 is 58. 3 2 2 H 2 3 31 N32 32 N 33 32 N32 32 m N 12 3

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