![\rm :\longmapsto\: \begin{gathered}\sf A=\left[\begin{array}{ccc}1&1&3\\5&2&6\\ - 2&-1& - 3\end{array}\right]\end{gathered}](/tpl/images/2490/2379/6658a.png)
![\\ \rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}1&1&3\\5&2&6\\ - 2&-1& - 3\end{array}\right]\end{gathered}\begin{gathered}\sf \left[\begin{array}{ccc}1&1&3\\5&2&6\\ - 2&-1& - 3\end{array}\right]\end{gathered} \\](/tpl/images/2490/2379/9fe69.png)
![\rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}1 + 5 - 6&1 + 2 - 3&3 + 6 - 9\\5 + 10 - 12&5 + 4 - 6&15 + 12 - 18\\ - 2 - 5 + 6&-2 - 2 + 3& - 6 - 6 + 9\end{array}\right]\end{gathered}](/tpl/images/2490/2379/8ffb3.png)
![\rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\3&3&9\\ - 1&-1& - 3\end{array}\right]\end{gathered}](/tpl/images/2490/2379/16051.png)
![\\ \bf\implies \: {A}^{2} = \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\3&3&9\\ - 1&-1& - 3\end{array}\right]\end{gathered} \\](/tpl/images/2490/2379/40537.png)
![\\ \rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\3&3&9\\ - 1&-1& - 3\end{array}\right]\end{gathered} \times \begin{gathered}\sf \left[\begin{array}{ccc}1&1&3\\5&2&6\\ - 2&-1& - 3\end{array}\right]\end{gathered}](/tpl/images/2490/2379/71083.png)
![\\ \rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\3 + 15 - 18&3 + 6 - 9&9 + 18 - 27\\ - 1 - 5 + 6&-1 - 2 + 3& - 3 - 6 + 9\end{array}\right]\end{gathered} \\](/tpl/images/2490/2379/889b0.png)
![\\ \rm \: = \: \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\0&0&0\\ 0&0&0\end{array}\right]\end{gathered}](/tpl/images/2490/2379/d0f56.png)
![\\ \bf\implies \: {A}^{3} = \: \begin{gathered}\sf \left[\begin{array}{ccc}0&0&0\\0&0&0\\ 0&0&0\end{array}\right]\end{gathered}](/tpl/images/2490/2379/8bf44.png)
Q). If
| 1 , 1, 3 |
A = | 5, 2, 6 |, then find A³
| -2, -1, -3 |
...
Mathematics, 04.10.2021 19:50 21vdawson
Q). If
| 1 , 1, 3 |
A = | 5, 2, 6 |, then find A³
| -2, -1, -3 |
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 20:00
A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?
Answers: 2
Mathematics, 21.06.2019 20:50
Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset
Answers: 1
Mathematics, 22.06.2019 00:20
Which of the following is equal to the square root of the cube root of 5 ? (1 point) 5 to the power of 1 over 3 5 to the power of 1 over 6 5 to the power of 2 over 3 5 to the power of 3 over 2
Answers: 1
Mathematics, 22.06.2019 01:40
The graph below shows the line of best fit for data collected on the number of cell phones in cell phone cases sold at the local electronic store on four different days
Answers: 3
You know the right answer?
Questions
Mathematics, 05.03.2021 19:20
History, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
Mathematics, 05.03.2021 19:20
