Matrix ? Find AB and BA

[Bulldog0]

A =
[1 2]
[0 1],

B=
[3 4]
[-1 2]
Solve for AB and BA
Im lost on how to start this problem. Any advise is appreciated.
Thanks

 

[stapel]

Im lost on how to start this problem.

To learn how to multiply matrices, try studying some of the online resources available:

. . . . .Google results for "matrix multiplication"

Have fun!

Eliz.