How do you multiply $((1, 2), (3, 4))$ and $((a, b))$ ?

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How do you multiply $((1, 2), (3, 4))$ and $((a, b))$ ?

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Answer 1 · 2016-02-27T13:00:36

You cannot multiply the first times the second but you can multiply the second times the first.

Explanation:

To be able to execute the multiplication between two matrices you need the number of columns of the first to be equal to the number of rows of the second:
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How do you multiply $((1, 2), (3, 4))$ and $((a, b))$ ?

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How do you multiply ((1, 2), (3, 4))((1, 2), (3, 4)) and ((a, b))((a, b))?

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How do you multiply $((1, 2), (3, 4))$ and $((a, b))$ ?