Question

Subtract these sets of matrix

Answer 1

The procedure is to make the difference of the terms that occupy the same position (column and row):

| - 6    - 4 |      | - 5    5 |              | - 6 + 5      - 4 - 5 |          | -1      - 9 |
| 6        0 |  -   | - 4   -1 |     =       |   6 + 4       0 + 1 |    =    | 10        1 |
| 6        4 |      | 6    - 4 |              |   6 - 6        4 + 4 |          |  0         8 |

Answer: option B.