Question

Exercițiul 1 va rog !!

Answer 1

Răspuns:

$A =\left[\begin{array}{ccc}1&2&3\\-1&2&0\end{array}\right] =\left[\begin{array}{ccc}-1&1&1\\0&1&0\end{array}\right]+ \left[\begin{array}{ccc}2&1&1\\2&1&0\end{array}\right]+\left[\begin{array}{ccc}0&0&1\\-1&0&0\end{array}\right]\\\\B = \left[\begin{array}{ccc}-2&6\\-1&0\\-4&5\end{array}\right] =\left[\begin{array}{ccc}-1&2\\1&0\\-1&2\end{array}\right]+\left[\begin{array}{ccc}-1&2\\-2&0\\-2&2\end{array}\right]+\left[\begin{array}{ccc}0&2\\0&0\\-1&1\end{array}\right]$

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