Question

Calcule B tal que $\left[\begin{array}{cc}6&5\\8&7\end{array}\right] . B = \left[\begin{array}{ccc}1&0\\0&1\end{array}\right]$

Answer 1

$\left[\begin{array}{ccc}6&5\\8&7\\\end{array}\right] * \left[\begin{array}{ccc}1&0\\0&1\\\end{array}\right] = \left[\begin{array}{ccc}6&5\\8&7\\\end{array}\right]$