Let A be an adjacency matrix of a directed graph in G

Let A be an adjacency matrix of a directed graph in G. Then sum of all entries in the matrix is equal to
Select one:
a) twice the number of vertices in G
b) the number of edges in G
c) the number of vertices in G
d) twice the number of edges in G
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SAURABH SAXENA

  • Apr 26th, 2015
 

D

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Piyush Goyal

  • Jan 24th, 2016
 

B) the number of edges in G

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Jenny

  • May 9th, 2017
 

No. edges in graph G

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