Practice problem
(366462)\begin{pmatrix} 3&6&6\\4&6&2 \end{pmatrix}(346662)
(123456)\begin{pmatrix} 1&2&3\\4&5&6 \end{pmatrix}(142536)
(1561398)\begin{pmatrix} 1&5&6\\13&9&8 \end{pmatrix}(1135968)
These matrices cannot be added together.
Type a concept, like “slope” or “photosynthesis”.
