Hey i have this math assignment due and i am really stuck. here it is:

Let A be a 3x2 matrix and B be a 2x3 matrix.

If AB is a 3x3 matrix =

8 2 -2

2 5 4

-2 4 5

Show that BA is a 2x2 matrix =

9 0

0 9

Any help would be appreciated!!

Thanks,

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- Oct 10th 2010, 07:28 PMnssk11Linear Algebra Math problem, really need help
Hey i have this math assignment due and i am really stuck. here it is:

Let A be a 3x2 matrix and B be a 2x3 matrix.

If AB is a 3x3 matrix =

8 2 -2

2 5 4

-2 4 5

Show that BA is a 2x2 matrix =

9 0

0 9

Any help would be appreciated!!

Thanks, - Oct 10th 2010, 08:51 PMmr fantastic