Question

Consider the matrices

Answer 1

A - B:
`\left[\begin{array}{cc}-7&7\\-10&-2\\10&-9\end{array}\right]`

Explanation:

A - B = -2 - 5 = -7

A - B = 3 - (-4) = 7

A - B = -7 - 3 = -10

A - B = 4 - 6 = -2

A - B = 9 - (-1) = 10

A - B = -1 - 8 = -9

Hope this helps!