Question

If a=[0 4 9.      And  b=[7 3 8
- ,,,,,,8 3 7].                     1 4 9].      Then find 3A-9B​

Answer 1

3A-9B = 63 15 45

15 26 60

Step-by-step explanation:

A= 0 4 9

8 3 7

B= 7 3 8

1 4 9

3A = 3