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Tell whether the product SR is defined for S4×5 and R4×3 . If yes, give the product's dimensions as the following example: 4x3. If no, write no in the box.
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Tell whether the product SR is defined for S4×5 and R4×3 . If yes, give the product's dimensions as the following example: 4x3. If no, write no in the box.

User FlamingMoe
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1 Answer

5 votes
No, the product is not valid. The number of columns of
\mathbf S (five) should match the number of rows of
\mathbf R (four).
User Richard Robinson
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