Diketahui matrik A {3 -4}
{ 2 1}
matrik B { -3 -2 }
{ -1 5 }
matrik C {5 4}
{-2 -1}
maka 2A-B+2C = ....
tolong di bantu y
{ 2 1}
matrik B { -3 -2 }
{ -1 5 }
matrik C {5 4}
{-2 -1}
maka 2A-B+2C = ....
tolong di bantu y
izharulhaq78
![\displastyle 2A-B+2C=2\left[\begin{array}{ccc}3&-4\\2&1\end{array}\right]-\left[\begin{array}{ccc}-3&-2\\-1&5\end{array}\right]+2\left[\begin{array}{ccc}5&4\\-2&-1\end{array}\right]\\2A-B+2C=\left[\begin{array}{ccc}6&-8\\4&2\end{array}\right]+\left[\begin{array}{ccc}3&2\\1&-5\end{array}\right]+\left[\begin{array}{ccc}10&8\\-4&-2\end{array}\right]\\2A-B+2C=\left[\begin{array}{ccc}6+3+10&-8+2+8\\4+1-4&2-5-2\end{array}\right]](https://tex.z-dn.net/?f=%5Cdisplastyle+2A-B%2B2C%3D2%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D3%26-4%5C%5C2%261%5Cend%7Barray%7D%5Cright%5D-%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D-3%26-2%5C%5C-1%265%5Cend%7Barray%7D%5Cright%5D%2B2%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D5%264%5C%5C-2%26-1%5Cend%7Barray%7D%5Cright%5D%5C%5C2A-B%2B2C%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D6%26-8%5C%5C4%262%5Cend%7Barray%7D%5Cright%5D%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D3%262%5C%5C1%26-5%5Cend%7Barray%7D%5Cright%5D%2B%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D10%268%5C%5C-4%26-2%5Cend%7Barray%7D%5Cright%5D%5C%5C2A-B%2B2C%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D6%2B3%2B10%26-8%2B2%2B8%5C%5C4%2B1-4%262-5-2%5Cend%7Barray%7D%5Cright%5D "\displastyle 2A-B+2C=2\left[\begin{array}{ccc}3&-4\\2&1\end{array}\right]-\left[\begin{array}{ccc}-3&-2\\-1&5\end{array}\right]+2\left[\begin{array}{ccc}5&4\\-2&-1\end{array}\right]\\2A-B+2C=\left[\begin{array}{ccc}6&-8\\4&2\end{array}\right]+\left[\begin{array}{ccc}3&2\\1&-5\end{array}\right]+\left[\begin{array}{ccc}10&8\\-4&-2\end{array}\right]\\2A-B+2C=\left[\begin{array}{ccc}6+3+10&-8+2+8\\4+1-4&2-5-2\end{array}\right]")
![\boxed{\boxed{2A-B+2C=\left[\begin{array}{ccc}19&2\\1&-5\end{array}\right]}}](https://tex.z-dn.net/?f=%5Cboxed%7B%5Cboxed%7B2A-B%2B2C%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7D19%262%5C%5C1%26-5%5Cend%7Barray%7D%5Cright%5D%7D%7D "\boxed{\boxed{2A-B+2C=\left[\begin{array}{ccc}19&2\\1&-5\end{array}\right]}}")
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