Mathematics, 18.11.2019 11:31 michaelhal4271
The number of different n×n symmetric matrices with each element being either 0 or 1 where n =5.
Answers: 2
free entries along the diagonal. Since 
, you only need to worry about how many choices are available for the triangular part either above or below the diagonal. These parts both contain 
entries.
.
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The number of different n×n symmetric matrices with each element being either 0 or 1 where n =5....
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