1 answer:
9514 1404 393
Answer:
[[-14][-1]]
Step-by-step explanation:
Row m of the first matrix is multiplied term-by-term by column n of the second matrix to get term (m,n) of the product matrix.
![\left[\begin{array}{cc}2&-4\\3&-1\end{array}\right]\times\left[\begin{array}{c}1&4\end{array}\right] =\left[\begin{array}{c}(2)(1)+(-4)(4)&(3)(1)+(-1)(4)\end{array}\right] =\left[\begin{array}{c}-14&-1\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%26-4%5C%5C3%26-1%5Cend%7Barray%7D%5Cright%5D%5Ctimes%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7D1%264%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7D%282%29%281%29%2B%28-4%29%284%29%26%283%29%281%29%2B%28-1%29%284%29%5Cend%7Barray%7D%5Cright%5D%20%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bc%7D-14%26-1%5Cend%7Barray%7D%5Cright%5D)
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