$\"\"$

Given matrices are $\"\"$ . If two matrices have the same dimensions, they can be added together. You add matrices by adding the corresponding elements of the matrices.

= $\"\"$ (addition of two matrices)

= $\"\"$ (Product of two different signs is negative sign)

= $\"\"$ (Add: $\"\"$ )

= $\"\"$ (Subtract: $\"\"$ ) $\"\"$

The value of $\"\"$ is $\"\"$ .