SOLUTION: Please help! I need to find, if possible, the following matrices: a) AB b) BA Let A = 1 -1 1 5 0 -2 3 -2 2 Let B= 1 1 0 1 -4 5 3 -1 2 Thank you fo

Algebra ->  Matrices-and-determiminant -> SOLUTION: Please help! I need to find, if possible, the following matrices: a) AB b) BA Let A = 1 -1 1 5 0 -2 3 -2 2 Let B= 1 1 0 1 -4 5 3 -1 2 Thank you fo      Log On


   

Question 391987: Please help! I need to find, if possible, the following matrices: a) AB
b) BA
Let A =
1 -1 1
5 0 -2
3 -2 2

Let B=
1 1 0
1 -4 5
3 -1 2
Thank you for your help!
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!
Plug in this formula:



and get

%28matrix%283%2C3%2C+3%2C4%2C-3%2C-1%2C7%2C-4%2C7%2C9%2C-6%29%29

Edwin