Matriks x yang berordo 2x2 yang memenuhi persamaan [3 4 1 2]X = [2 1 4 3] adalah ....
Takamori37
![\left[\begin{array}{cc}3&4\\1&2\end{array}\right]X=\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\left[\begin{array}{cc}3&4\\1&2\end{array}\right]^{-1}\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\frac{1}{6-4}\left[\begin{array}{cc}2&-4\\-1&3\end{array}\right]\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\frac{1}{2}\left[\begin{array}{cc}4-16&2-12\\-2+12&-1+9\end{array}\right] \\ \\ X=\frac{1}{2}\left[\begin{array}{cc}-12&-10\\10&8\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D3%264%5C%5C1%262%5Cend%7Barray%7D%5Cright%5DX%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%261%5C%5C4%263%5Cend%7Barray%7D%5Cright%5D+%5C%5C+%5C%5C+X%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D3%264%5C%5C1%262%5Cend%7Barray%7D%5Cright%5D%5E%7B-1%7D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%261%5C%5C4%263%5Cend%7Barray%7D%5Cright%5D+%5C%5C+%5C%5C+X%3D%5Cfrac%7B1%7D%7B6-4%7D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%26-4%5C%5C-1%263%5Cend%7Barray%7D%5Cright%5D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D2%261%5C%5C4%263%5Cend%7Barray%7D%5Cright%5D+%5C%5C+%5C%5C+X%3D%5Cfrac%7B1%7D%7B2%7D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D4-16%262-12%5C%5C-2%2B12%26-1%2B9%5Cend%7Barray%7D%5Cright%5D+%5C%5C+%5C%5C+X%3D%5Cfrac%7B1%7D%7B2%7D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D-12%26-10%5C%5C10%268%5Cend%7Barray%7D%5Cright%5D "\left[\begin{array}{cc}3&4\\1&2\end{array}\right]X=\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\left[\begin{array}{cc}3&4\\1&2\end{array}\right]^{-1}\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\frac{1}{6-4}\left[\begin{array}{cc}2&-4\\-1&3\end{array}\right]\left[\begin{array}{cc}2&1\\4&3\end{array}\right] \\ \\ X=\frac{1}{2}\left[\begin{array}{cc}4-16&2-12\\-2+12&-1+9\end{array}\right] \\ \\ X=\frac{1}{2}\left[\begin{array}{cc}-12&-10\\10&8\end{array}\right]")
![X=\left[\begin{array}{cc}-6&-5\\5&4\end{array}\right]](https://tex.z-dn.net/?f=X%3D%5Cleft%5B%5Cbegin%7Barray%7D%7Bcc%7D-6%26-5%5C%5C5%264%5Cend%7Barray%7D%5Cright%5D "X=\left[\begin{array}{cc}-6&-5\\5&4\end{array}\right]")
117 votes
Thanks 306
naidanurfitap0laqt
mau tanya, 1/6-4 nya itu darimana? terima kasih sebelumnya:)
dimasnaghhebatp9e3ga
Itu dikali silang kak yang 3x2 sama 1x4
dnadia39pen1jw
kalo yg ber ordo 3*3 dong kk
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