Question

in a matrix
A= (2. -2) B= (3. 4)
5. -5. 3. 9

Find:-AB and BA​

Answer 1

-AB = (1,6)

BA = (5,2)

hope this is helpful

Answer 2

Answer:

-AB = -A (2,-2)+B(3,4)= -AB=(1,6)

BA = B(3,4)+A(2,-2) = BA(5,2)

,OK