Question

Let AA be a 4 by 8 , BB be a 8 by 9 and CC...

Let AA be a 4 by 8 , BB be a 8 by 9 and CC be a 9 by 4 matrix. Determine the size of the following matrices (if they do not exist, type N in both answer boxes):

ABAB:

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by

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BABA:

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by

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ATBATB:

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by

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BCBC:

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by

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ABCABC:

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by

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CACA:

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BTABTA:

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BCTBCT:

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