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[tex] \left[\begin{array}{ccc}1&2&3\\2&3&1\\3&1&2\end{array}\right] [/tex] rezolvati determinantul in Z6(clasa de resturi)

Răspuns :

[tex] \left[\begin{array}{ccc}1&2&3\\2&3&1\\3&1&2\\1&2&3\\2&3&1\\\end{array}\right] = \\ \\ 0+0+0+3+5+4=12 .in .Z_6=0[/tex]