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Mathematics 21 Online
OpenStudy (18jonea):

Which product is undefined? CD DB BA AB

OpenStudy (18jonea):

@mjdennis

OpenStudy (18jonea):

@jagr2713

OpenStudy (18jonea):

@ganeshie8 @agent0smith

OpenStudy (18jonea):

@One098

OpenStudy (18jonea):

im not really sure how to do this one

OpenStudy (agent0smith):

Google: multiplying matrices It explains right at the top: OK, so how do we multiply two matrices? Step 1: Make sure that the the number of columns in the 1st one equals the number of rows in the 2nd one. ...

OpenStudy (serenityjustice74):

hi ;)

OpenStudy (18jonea):

ba is undefined

geerky42 (geerky42):

Yep.

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