Можете решить матрицу (AB)C и A(BC)?
Свойство действий над матрицами подразумевает равенство результатов при А(ВС) и (АВ)С. Поэтому достаточно получить один из них, напримерА(ВС): Ответ: -11 100 -5 0
![BC= \left[\begin{array}{ccc}5&9\\0&3\\0&2\end{array}\right] * \left[\begin{array}{ccc}3&4\\\\-1&0\end{array}\right] = \left[\begin{array}{ccc}6&20\\-3&0\\-2&0\end{array}\right]](https://tex.z-dn.net/?f=BC%3D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D5%269%5C%5C0%263%5C%5C0%262%5Cend%7Barray%7D%5Cright%5D+%2A++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D3%264%5C%5C%5C%5C-1%260%5Cend%7Barray%7D%5Cright%5D+%3D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D6%2620%5C%5C-3%260%5C%5C-2%260%5Cend%7Barray%7D%5Cright%5D "BC= \left[\begin{array}{ccc}5&9\\0&3\\0&2\end{array}\right] * \left[\begin{array}{ccc}3&4\\\\-1&0\end{array}\right] = \left[\begin{array}{ccc}6&20\\-3&0\\-2&0\end{array}\right]")
![\left[\begin{array}{ccc}5&9&7\\0&3&-2\\\end{array}\right] * \left[\begin{array}{ccc}6&20\\-3&0\\-2&0\end{array}\right] = \left[\begin{array}{ccc}-11&100\\-5&0\\\end{array}\right]](https://tex.z-dn.net/?f=++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D5%269%267%5C%5C0%263%26-2%5C%5C%5Cend%7Barray%7D%5Cright%5D+%2A++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D6%2620%5C%5C-3%260%5C%5C-2%260%5Cend%7Barray%7D%5Cright%5D+%3D++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-11%26100%5C%5C-5%260%5C%5C%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}5&9&7\\0&3&-2\\\end{array}\right] * \left[\begin{array}{ccc}6&20\\-3&0\\-2&0\end{array}\right] = \left[\begin{array}{ccc}-11&100\\-5&0\\\end{array}\right]")