[tex]a_{1,3} = 9[/tex]
Step-by-step explanation:
The elements of matrices are represented in the form
[tex]a_{r,c}[/tex]
Here r is the row number and c is the column number.
Given matrix is:
[tex]A = \left[\begin{array}{ccc}3&6&9\\2&4&8\end{array}\right][/tex]
The elements of matrix will be represented by a_{r,c}
We have to find [tex]a_{1,3}[/tex]
Which means that the first row and third column.
The first row is: 3 6 9 and the element in third column is: 9
So,
[tex]a_{1,3} = 9[/tex]
Keywords: Matrices, Elements
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