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Să se arate că dacă [tex]\alpha\left([tex]\begin{array}{lll}1 & 0 & 0\end{array}\right)+\beta\left(\begin{array}{lll}1 & 2 & 0\end{array}\right)+\gamma\left(\begin{array}{lll}1 & 2 & 3\end{array}\right)=\left(\begin{array}{lll}0 & 0 & 0\end{array}\right)[/tex], atunci [tex]\alpha=\beta=\gamma=0[/tex].[/tex]