Jika matriks A = [ 0 -1 1 ]
[ 1 2 1 ]
[ -2 2 4 ], determinan matriks A adalah...
[ 1 2 1 ]
[ -2 2 4 ], determinan matriks A adalah...
izharulhaq78
![\displaystyle A=\left[\begin{array}{ccc}0&-1&1\\1&2&1\\-2&2&4\end{array}\right]\\|A|=\left[\begin{array}{ccc}0&-1&1\\1&2&1\\-2&2&4\end{array}\right]\left[\begin{array}{ccc}0&-1\\1&2\\-2&2\end{array}\right]\\|A|=0.2.4+(-1).1.(-2)+1.1.2-[(-2).2.1]-[2.1.0]-[4.1.(-1)]\\|A|=0+2+2-[-4]-[0]-[-4]\\|A|=4+4-0+4\\\boxed{\boxed{|A|=12}}](https://tex.z-dn.net/?f=%5Cdisplaystyle+A%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%26-1%261%5C%5C1%262%261%5C%5C-2%262%264%5Cend%7Barray%7D%5Cright%5D%5C%5C%7CA%7C%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%26-1%261%5C%5C1%262%261%5C%5C-2%262%264%5Cend%7Barray%7D%5Cright%5D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D0%26-1%5C%5C1%262%5C%5C-2%262%5Cend%7Barray%7D%5Cright%5D%5C%5C%7CA%7C%3D0.2.4%2B%28-1%29.1.%28-2%29%2B1.1.2-%5B%28-2%29.2.1%5D-%5B2.1.0%5D-%5B4.1.%28-1%29%5D%5C%5C%7CA%7C%3D0%2B2%2B2-%5B-4%5D-%5B0%5D-%5B-4%5D%5C%5C%7CA%7C%3D4%2B4-0%2B4%5C%5C%5Cboxed%7B%5Cboxed%7B%7CA%7C%3D12%7D%7D "\displaystyle A=\left[\begin{array}{ccc}0&-1&1\\1&2&1\\-2&2&4\end{array}\right]\\|A|=\left[\begin{array}{ccc}0&-1&1\\1&2&1\\-2&2&4\end{array}\right]\left[\begin{array}{ccc}0&-1\\1&2\\-2&2\end{array}\right]\\|A|=0.2.4+(-1).1.(-2)+1.1.2-[(-2).2.1]-[2.1.0]-[4.1.(-1)]\\|A|=0+2+2-[-4]-[0]-[-4]\\|A|=4+4-0+4\\\boxed{\boxed{|A|=12}}")
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