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Line 34:
Line 34: − + +
→Description
a_ {12}& a_{13} \\
a_ {12}& a_{13} \\
a_ {22}& a_{23}
a_ {22}& a_{23}
\end{vmatrix}</math>
\end{vmatrix}
\end{pmatrix}</math>
a_{12} & a_{13} \\
a_{12} & a_{13} \\
a_{21} & a_{22} & a_{23} \\
a_{21} & a_{22} & a_{23} \\