A= 8 2 ; B= 7 -4
7 -4 -2 6
Dan C= 5 2
0 1 maka 2a-B+C adalah....
7 -4 -2 6
Dan C= 5 2
0 1 maka 2a-B+C adalah....
izharulhaq78
![\displaystyle 2A-B+C=2\left[\begin{array}{ccc}8&2\\7&-4\end{array}\right]-\left[\begin{array}{ccc}7&-4\\-2&6\end{array}\right]+\left[\begin{array}{ccc}5&2\\0&1\end{array}\right]\\2A-B+C=\left[\begin{array}{ccc}2\times8-7+5&2\times2-(-4)+2\\2\times7-(-2)+0&2\times(-4)-6+1\end{array}\right]\\2A-B+C=\left[\begin{array}{ccc}16-2&4+4+2\\14+2&-8-5\end{array}\right]\\\boxed{\boxed{2A-B+C=\left[\begin{array}{ccc}14&10\\16&-13\end{array}\right]}}](https://tex.z-dn.net/?f=%5Cdisplaystyle+2A-B%2BC%3D2%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D8%262%5C%5C7%26-4%5Cend%7Barray%7D%5Cright%5D-%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D7%26-4%5C%5C-2%266%5Cend%7Barray%7D%5Cright%5D%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D5%262%5C%5C0%261%5Cend%7Barray%7D%5Cright%5D%5C%5C2A-B%2BC%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D2%5Ctimes8-7%2B5%262%5Ctimes2-%28-4%29%2B2%5C%5C2%5Ctimes7-%28-2%29%2B0%262%5Ctimes%28-4%29-6%2B1%5Cend%7Barray%7D%5Cright%5D%5C%5C2A-B%2BC%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D16-2%264%2B4%2B2%5C%5C14%2B2%26-8-5%5Cend%7Barray%7D%5Cright%5D%5C%5C%5Cboxed%7B%5Cboxed%7B2A-B%2BC%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D14%2610%5C%5C16%26-13%5Cend%7Barray%7D%5Cright%5D%7D%7D "\displaystyle 2A-B+C=2\left[\begin{array}{ccc}8&2\\7&-4\end{array}\right]-\left[\begin{array}{ccc}7&-4\\-2&6\end{array}\right]+\left[\begin{array}{ccc}5&2\\0&1\end{array}\right]\\2A-B+C=\left[\begin{array}{ccc}2\times8-7+5&2\times2-(-4)+2\\2\times7-(-2)+0&2\times(-4)-6+1\end{array}\right]\\2A-B+C=\left[\begin{array}{ccc}16-2&4+4+2\\14+2&-8-5\end{array}\right]\\\boxed{\boxed{2A-B+C=\left[\begin{array}{ccc}14&10\\16&-13\end{array}\right]}}")
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