SOLUTION: what does it mean in matrices when my teacher asked the question... " find the product. If its not defined, state the reason."

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Question 894722: what does it mean in matrices when my teacher asked the question... " find the product. If its not defined, state the reason."
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
what does it mean in matrices when my teacher asked the question... " find the product. If its not defined, state the reason."

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You can find the product only when the # of columns in
the left factor equals the number of rows in the right
factor.
Cheers,
Stan H.