What would be the number of zeros in the adjacency matrix of the given graph?

What is the maximum number of possible non zero values in an adjacency matrix of a simple graph with n vertices?Group of answer choicesn*(n-1)(n*(n-1))/2(n*(n+1))/2n*(n+1)

f all principal diagonal elements of an adjacency matrix are zero’s, then the corresponding graph has

The adjacency matrix of an undirected graph with 𝑛n vertices has how many entries?A. 𝑛nB. 𝑛2n 2 C. 2𝑛2nD. 𝑛−1n−1

The number of elements in the adjacency matrix of a graph having 7 vertices is __________?

Which of the following is true for the adjacency matrix of a simple graph?A. Diagonal elements are always zeroB. Diagonal elements are always oneC. All elements are zeroD. All elements are one