Respuesta :

Answer:

entrywise sum

Step-by-step explanation:

The sum of two matrices A and B will be a matrix which has the same number of rows and columns as do A and B. The sum of A and B, denoted A + B, is computed by adding corresponding elements of A and B: For example: We can also subtract one matrix from another, as long as they have the same dimensions.

Answer:

a =

9

b =

3

c =

9

d =

7

Step-by-step explanation: