Jika A=![\left[\begin{array}{ccc}0&1\\-6&5\\\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%261%5C%5C-6%265%5C%5C%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}0&1\\-6&5\\\end{array}\right]")
dan I=![\left[\begin{array}{ccc}1&0\\0&1\\\end{array}\right]](https://tex.z-dn.net/?f=+%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%5C%5C0%261%5C%5C%5Cend%7Barray%7D%5Cright%5D+ "\left[\begin{array}{ccc}1&0\\0&1\\\end{array}\right]")
maka ((A-2I)(A-3I)) adalah...
ecis
![(\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - 2 \left[\begin{array}{ccc}1&0\\0&1\end{array}\right]) (\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - 3 \left[\begin{array}{ccc}1&0\\0&1\end{array}\right])](https://tex.z-dn.net/?f=%28%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%261%5C%5C-6%265%5Cend%7Barray%7D%5Cright%5D+-+2+++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%5C%5C0%261%5Cend%7Barray%7D%5Cright%5D%29+%28%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%261%5C%5C-6%265%5Cend%7Barray%7D%5Cright%5D+-+3+++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D1%260%5C%5C0%261%5Cend%7Barray%7D%5Cright%5D%29 "(\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - 2 \left[\begin{array}{ccc}1&0\\0&1\end{array}\right]) (\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - 3 \left[\begin{array}{ccc}1&0\\0&1\end{array}\right])")
![(\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - \left[\begin{array}{ccc}2&0\\0&2\end{array}\right]) (\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - \left[\begin{array}{ccc}3&0\\0&3\end{array}\right])](https://tex.z-dn.net/?f=%28%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%261%5C%5C-6%265%5Cend%7Barray%7D%5Cright%5D+-++++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%260%5C%5C0%262%5Cend%7Barray%7D%5Cright%5D%29+%28%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%261%5C%5C-6%265%5Cend%7Barray%7D%5Cright%5D+-++++%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D3%260%5C%5C0%263%5Cend%7Barray%7D%5Cright%5D%29 "(\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - \left[\begin{array}{ccc}2&0\\0&2\end{array}\right]) (\left[\begin{array}{ccc}0&1\\-6&5\end{array}\right] - \left[\begin{array}{ccc}3&0\\0&3\end{array}\right])")
![\left[\begin{array}{ccc}-2&1\\-6&3\end{array}\right] \left[\begin{array}{ccc}-3&1\\-6&2\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-2%261%5C%5C-6%263%5Cend%7Barray%7D%5Cright%5D+%C2%A0%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3%261%5C%5C-6%262%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}-2&1\\-6&3\end{array}\right] \left[\begin{array}{ccc}-3&1\\-6&2\end{array}\right]")
![\left[\begin{array}{ccc}(-2.-3)&(1.-6)\\(-6.-3)&(3.1)\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D%28-2.-3%29%26%281.-6%29%5C%5C%28-6.-3%29%26%283.1%29%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}(-2.-3)&(1.-6)\\(-6.-3)&(3.1)\end{array}\right]")
![\left[\begin{array}{ccc}6&-6\\18&3\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D6%26-6%5C%5C18%263%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{ccc}6&-6\\18&3\end{array}\right]")
0 votes
Thanks 2
augustinandini
sorry, tapi jawabannya salah
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