Question

Plz explain and answer​

Answer 1

Answer:

a 11 = 5

a 13 = 8

a 22 = 0

a11+a13+a22=5+8+0

=13

Step-by-step explanation:

While dealing with matrixes the first column is referred as 1 and so on. And similarly same for the row as 1 ,2 and so on.

In this matrix A, the first row the first column is named as A11 and the first row second column as A12 and so on similar for the second row.