bantu jawab ya pakai cara ...terima kasih

[tex]a) (A+B)^T [tex]b)C-2A \\ \left[\begin{array}{ccc}1&0\\2&3\end{array}\right] +2 \left[\begin{array}{ccc}2&6\\1&3\end{array}\right] = \left[\begin{array}{ccc}1&0\\2&3\end{array}\right] + \left[\begin{array}{ccc}4&12\\2&6\end{array}\right] =\left[\begin{array}{ccc}5&12\\4&9\end{array}\right] [/tex]+\left[\begin{array}{ccc}4&0\\0&4\end{array}\right]=\left[\begin{array}{ccc}6&6\\1&7\end{array}\right]=\left[\begin{array}{ccc}6&1\\6&7\end{array}\right]^T[/tex]