How can you determine whether a matrix product AB is defined?

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asked Feb 21, 2019 116k views

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MattSavage · Answer 1 · 2019-02-27T00:51:00+0000

a must have the same numbers of columns as b has rows; looking at the matrices, the row of a must be the same length as the columns of b...... so multiplication is defined
hope this helps!!!!!

How can you determine whether a matrix product AB is defined?

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