Practice problem
Select the products that exist. A=[684016487] B=[431612] C=[537022] D=[8235]A=\begin{bmatrix}6&8&4\\0&1&6\\4&8&7\end{bmatrix}\,B=\begin{bmatrix}4&3&1\\6&1&2\end{bmatrix}\,C=\begin{bmatrix}5&3\\7&0\\2&2\end{bmatrix}\,D=\begin{bmatrix}8&2\\3&5\end{bmatrix}A=604818467B=[463112]C=572302D=[8325]
DCDCDC
DBDBDB
DADADA
CBCBCB
CACACA
BABABA
Type a concept, like “slope” or “photosynthesis”.
