Question

Given the matrices `A=[(5,7),(-1,6), (3,-9)], B=[(8,3), (5,1), (4,4)], C=[(0,4),(-2,5), (7,-1)], D[(6,2), (9,0), (-3,0)]`, how do you find D-B?

Answer 1

`D - B= [(-2,-1), (4,-1), (-7,-4)]`

Explanation:

`D - B = [(6,2), (9,0), (-3,0)] - [(8,3), (5,1), (4,4)]`

`= [(6-8,2-3), (9-5,0-1), (-3-4,0-4)]`

`= [(-2,-1), (4,-1), (-7,-4)]`