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[All Steps] Given the matrices A=[cccc5 7 4 -2 , 0 -3 2 1 , 4 0 -1 3 , -1 2 1 0] and B=[cccc-1 2 1 4 , 5 0 6 10 , 4 -5 -2 -1 , 1 3 1 3] compute the following

Question: Given the matrices $A=\left[\begin{array}{cccc}5 & 7 & 4 & -2 \\ 0 & -3 & 2 & 1 \\ 4 & 0 & -1 & 3 \\ -1 & 2 & 1 & 0\end{array}\right]$ and $B=\left[\begin{array}{cccc}-1 & 2 & 1 & 4 \\ 5 & 0 & 6 & 10 \\ 4 & -5 & -2 & -1 \\ 1 & 3 & 1 & 3\end{array}\right]$

compute the following entries of the product matrix $\mathrm{AB}$ :

Find the $(1,3)$ entry
Find the $(2,3)$ entry
Find the $(4,3)$ entry
Find the $(3,3)$ entry

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[All Steps] Given the matrices A=[cccc5 7 4 -2 , 0 -3 2 1 , 4 0 -1 3 , -1 2 1 0] and B=[cccc-1 2 1 4 , 5 0 6 10 , 4 -5 -2 -1 , 1 3 1 3] compute the following

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